| 300 Women Overall 2017 to 44.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 36.86 | | | 36.86 | PB | Finette Agyapong | U23 | -3 | Coral Nourrice | Newham & Essex Beagles | Newham | 29 May 17 |  |
| 2 | 37.46 | | | 37.46 | PB | Amy Allcock | | 2 | Glyn Hawkes | Aldershot, Farnham & District | Newham | 7 May 17 | |
| 3 | 37.72 | | | 37.72 | PB | Margaret Adeoye | | 10 | Linford Christie | Enfield & Haringey | Newham | 29 May 17 | |
| 4 | 37.79 | | | 35.97+ | | Amber Anning | U17 | -6 | Lloyd Cowan | Brighton & Hove | Loughborough | 1 Sep 17 | |
| 5 | 38.36 | | | 38.36 | PB | Lauren Russell | U20 | -4 | Coral Nourrice | Bedford & County | Newham | 29 May 17 | |
| 6 | 38.42 | | | 37.59 | | Cheriece Hylton | U23 | -2 | Ryan Freckleton | Blackheath & Bromley | Newham | 7 May 17 | |
| 7 | 38.6 | | | 36.96 | | Jessie Knight | | 1 | Neil Dodson | Windsor Slough Eton & Hounslow | Eton | 1 Apr 17 | |
| 8 | 38.78 | | | 38.78 | PB | Mair Edwards | U20 | -5 | John Davis | Basingstoke & Mid Hants | Basingstoke | 1 Apr 17 | |
| 9 | 38.85 | | | 38.46 | | Hannah Foster | U17 | -8 | Craig Andrew | Shaftesbury Barnet | Dublin (S), IRL | 15 Jul 17 | |
| 9 | 38.85 | | | 36.74 | | Anyika Onuora | | 11 | Rana Reider | Liverpool H | Sopot, POL | 16 Aug 17 | |
| 11 | 38.90 | | | 38.43 | | Sabrina Bakare | U23 | -2 | Jane Dixon | Shaftesbury Barnet | Newham | 29 May 17 | |
| 12 | 38.92 | | | 38.66 | | Kelsey Stewart | U23 | -3 | Ken Hogg | Aberdeen | Aberdeen | 17 May 17 | |
| 13 | 39.34 | | | 39.34 | PB | Chyna Russell | U17 | -6 | John Harris | Sutton & District | Birmingham | 7 Jul 17 | |
| 13 | 39.34 | i | | 38.66i | | Abigayle Fitzpatrick | | 2 | | Sale Harriers Manchester | Sportcity | 17 Dec 17 | |
| 15 | 39.5 | | | 39.76/39.5 | PB | Maisey Snaith | U17 | -7 | Mick Graham | Cambridge & Coleridge | Cambridge | 18 Jun 17 | |
| 39.76 | | | | | | | | | | Birmingham | 7 Jul 17 | |
| 16 | 39.57 | | | 39.29 | | Natasha Harrison | U17 | -7 | Alex O'Gorman | Stockport | Birmingham | 8 Jul 17 | |
| 17 | 39.60 | | | 38.12 | | Louise Evans | U17 | -6 | Carlo Monticolombi | Invicta East Kent | Birmingham | 7 Jul 17 | |
| 18 | 39.71 | | | 39.71 | PB | Yasmin Liverpool | U20 | -5 | Stewart Marshall | Unattached | Lisse, NED | 13 May 17 | |
| 19 | 39.76 | | | 39.76 | PB | Skye Wicks | U17 | -8 | David Rice | Hertford & Ware | Woodford | 2 Jul 17 | |
| 19 | 39.76 | | | 39.76 | PB | Ella Turner | U17 | -7 | Marcia Marriott | Oxford City | Bedford | 27 Aug 17 | |
| 21 | 39.81 | | | 39.81 | PB | Avril Jackson | | 9 | | Edinburgh AC | Basel, SUI | 20 May 17 | |
| 22 | 39.95 | | | 39.95 | PB | Louisa Saunders | U17 | -6 | Michael Bazire | Brighton Phoenix | Bromley | 28 May 17 | |
| 23 | 39.99 | i | | 39.99i | PB | Sophie Porter | U17 | -7 | Dale Garland | Guernsey | Sheffield | 26 Feb 17 | |
| 41.2 | | | | | | | | | | Portsmouth | 13 May 17 | |
| 24 | 40.00 | i | | 39.20i | | Hannah Kelly | U20 | -6 | Les Hall | Bolton | Sportcity | 17 Dec 17 | |
| 24 | 40.00 | i | | 40.00i | PB | Emma Alderson | U20 | -6 | Stephen Carroll | Liverpool H | Sportcity | 17 Dec 17 | |
| 26 | 40.01 | | | 39.49 | | Jemma Wood | U20 | -5 | Mark Briggs | Guildford & Godalming | Crawley | 25 Mar 17 | |
| 27 | 40.11 | | | 40.11 | PB | Jemima Copeman | U17 | -8 | Alan Hewson | Windsor Slough Eton & Hounslow | Bromley | 28 May 17 | |
| 28 | 40.15 | | | 38.50i | | Holly Mpassy | U15 | -9 | Jay Galley | Blackheath & Bromley | Birmingham | 2 Sep 17 | |
| 29 | 40.20 | | | 40.20 | PB | Eleanor Briggs | | 3 | | Inverness | Inverness | 9 Apr 17 | |
| 29 | 40.20 | | | 39.96 | | Abigail Dennison | U17 | -7 | George Ogilvie | Winchester | Birmingham | 7 Jul 17 | |
| 29 | 40.20 | i | | 38.65 | | Ella Barrett | U20 | -4 | Toni Minichiello | Chesterfield | Sheffield | 2 Dec 17 | |
| 32 | 40.2 | | | 40.63/40.2 | PB | Shammah Sowah | U17 | -8 | | Orion | Mile End | 28 May 17 | |
| 40.63 | | | | | | | | | | Chelmsford | 10 Jun 17 | |
| 32 | 40.2 | | | 39.52 | | Alex Shaw | U17 | -6 | Richard Collins | Guildford & Godalming | Basingstoke | 9 Sep 17 | |
| 41.88 | | | | | | | | | | Basingstoke | 17 Jun 17 | |
| 34 | 40.23 | | | 39.77 | | Rachel McCann | U17 | -7 | Michael Roberts | North Down | Dublin (S), IRL | 24 Jun 17 | |
| 35 | 40.26 | i | | 40.26i | PB | Georgina Adam | U20 | -6 | Denise Timmis | Lincoln Wellington | Sheffield | 2 Dec 17 | |
| 36 | 40.35 | | | 40.35 | PB | Alyson Bell | U15 | -9 | | Giffnock North | Gothenburg, SWE | 2 Jul 17 | |
| 36 | 40.35 | | | 40.10 | | Tia Anderson | U15 | -8 | Peter Wileman | Durham | Bedford | 27 Aug 17 | |
| 38 | 40.36 | | | 40.00 | | Emily Miller | U17 | -8 | | Victoria Park City of Glasgow | Grangemouth | 27 Aug 17 | |
| 39 | 40.42 | | | 40.42 | PB | Asha Root | U17 | -7 | Sam Stanislaus | Tonbridge | Birmingham | 7 Jul 17 | |
| 40 | 40.44 | | | 40.44 | PB | Armani Williams | U17 | -7 | Kevin Williams | Newport H | Cardiff | 1 Jul 17 | |
| 41 | 40.46 | | | 40.46 | PB | Emma Rutherford | U17 | -7 | Alan Erickson | Perth Strathtay | Loughborough | 1 Sep 17 | |
| 42 | 40.48 | | | 40.48 | PB | Mary Takwoingi | U17 | -7 | Andrew Webber | Solihull & Small Heath | Nuneaton | 20 Aug 17 | |
| 43 | 40.50 | | | 40.46 | | Macey Morris | U15 | -9 | Kevin Williams | Newport H | Bedford | 27 Aug 17 | |
| 44 | 40.58 | | | 39.84 | | Madeleine Whapples | U15 | -9 | | Solihull & Small Heath | Leamington Spa | 2 Aug 17 | |
| 45 | 40.6 | | | 39.97 | | Emily Strickland | U20 | -5 | David Harmes | Scunthorpe & District AC (Defunct) | Scunthorpe | 25 Mar 17 | |
| 46 | 40.62 | | | 40.62 | PB | Olivia Vareille | U17 | -6 | David Lothian | Falkirk | Grangemouth | 9 Jun 17 | |
| 47 | 40.63 | | | 40.05 | | Matilda Rainsborough | U23 | -2 | Alli Crossman | Guildford & Godalming | Crawley | 25 Mar 17 | |
| 48 | 40.65 | i | | 40.65i | PB | Amelia Bunton | U17 | -8 | Desmond Brear | Wakefield | Sheffield | 26 Feb 17 | |
| 40.88 | | | | | | | | | | Cudworth | 13 May 17 | |
| 41.4 | | | | | | | | | | Hull | 10 Jun 17 | |
| 49 | 40.7 | | | 40.15 | | Lucy Elcock | U17 | -7 | | Bridgnorth | Solihull | 28 May 17 | |
| 41.12 | | | | | | | | | | Birmingham | 7 Jul 17 | |
| 49 | 40.7 | | | 41.33/40.7 | PB | Annie Testar | U17 | -8 | Christopher Brown | Stroud | Cheltenham | 26 Jul 17 | |
| 41.48 | i | | | | | | | | | Cardiff | 3 Dec 17 | |
| 51 | 40.72 | | | 40.72 | PB | Emma Mailer | U17 | -8 | John Dawson | Central | Grangemouth | 27 Aug 17 | |
| 52 | 40.73 | | | 40.73 | PB | Megan Webber | U17 | -7 | Stephen Cottle | Torbay | Exeter | 7 May 17 | |
| 52 | 40.73 | | | 40.53 | | Rebecca Matheson | U20 | -5 | Eddie McKenna | Aberdeen | Aberdeen | 17 May 17 | |
| 52 | 40.73 | | | 40.73 | PB | Abigail Fitton | U17 | -7 | Fiona Darling-Glinski | Marshall Milton Keynes | Bedford | 26 Aug 17 | |
| 55 | 40.77 | | | 40.77 | PB | Connie McCafferty | U17 | -7 | Andrew Hughes | Bracknell AC | Bedford | 26 Aug 17 | |
| 56 | 40.79 | | | 40.69 | | Lucy Stennett | U17 | -8 | Sonya Ellis | Taunton | Exeter | 17 Jun 17 | |
| 57 | 40.84 | | | 40.67 | | Iona McDonald | U17 | -7 | | Livingston | Grangemouth | 27 Aug 17 | |
| 58 | 40.86 | | | 40.86 | PB | Ellen Franklin | | 5 | | Aldershot, Farnham & District | Crawley | 25 Mar 17 | |
| 59 | 40.89 | | | 40.06 | | Elizabeth Taylor | U15 | -10 | Ronald Crosby | Peterborough | Bedford | 27 Aug 17 | |
| 60 | 40.9 | | | 41.05/40.9 | PB | Charlotte Buckley | U17 | -8 | Adrian Hemery | Thames Valley | Guildford | 30 Apr 17 | |
| 41.16 | | | | | | | | | | Lee Valley | 13 May 17 | |
| 60 | 40.9 | | | 41.22/40.9 | PB | Chloe Newbigging | U17 | -7 | Anita Richardson | Sale Harriers Manchester | Macclesfield | 10 Jun 17 | |
| 41.22 | | | | | | | | | | Birmingham | 17 Jun 17 | |
| 62 | 40.91 | | | 40.91 | PB | Chelsey Marsden | U17 | -7 | Brian Holyfield | Birchfield H | Yate | 23 Jul 17 | |
| 63 | 40.95 | i | | 40.13i/40.0 | | Gemma Jones | U17 | -8 | Bill Boyd | Corby | Sheffield | 2 Dec 17 | |
| 41.09 | | | | | | | | | | Nuneaton | 20 Aug 17 | |
| 41.7 | | | | | | | | | | Corby | 20 Jun 17 | |
| 64 | 40.96 | | | 40.83/40.7 | | Jessica Frazer | U17 | -7 | Sandra Woodman | Bristol & West | Exeter | 17 Jun 17 | |
| 65 | 41.0 | | | 41.21/41.0 | PB | Hannah Roberts | U15 | -8 | Ken Spencer | Bracknell AC | Eton | 1 Apr 17 | |
| 41.21 | | | | | | | | | | Bracknell | 22 Apr 17 | |
| 66 | 41.05 | | | 41.05 | PB | Emily Bee | U17 | -8 | David Bee | City of Plymouth | Plymouth | 16 Jul 17 | |
| 67 | 41.09 | | | 40.64 | | Gabrielle Fakande | U17 | -7 | Phil Banning | Cwmbran | Brecon | 14 May 17 | |
| 68 | 41.1 | | | 40.47i | | Freya Bradshaw | U23 | -1 | David Harmes | Scunthorpe & District AC (Defunct) | Scunthorpe | 25 Mar 17 | |
| 68 | 41.1 | | | 41.1 | PB | Keely Hodgkinson | U17 | -8 | Margaret Galvin | Leigh | Warrington | 25 Jun 17 | |
| 70 | 41.14 | | | 40.99i | | Indiana Malik | U17 | -8 | Grant Barker | Notts | Loughborough | 26 Aug 17 | |
| 71 | 41.15 | i | | 40.76i | | Amanda Potter | | 11 | | Wakefield | Sheffield | 2 Dec 17 | |
| 72 | 41.16 | i | | 41.16i | PB | Kiera Bainsfair | U17 | -8 | Bob Corbett | Basildon | Sheffield | 26 Feb 17 | |
| 42.1 | | | | | | | | | | Bedford | 3 Sep 17 | |
| 72 | 41.16 | | | 40.51 | | Rhiannon Gayle | U17 | -7 | Paul Weston | Croydon | Croydon | 28 May 17 | |
| 72 | 41.16 | | | 40.52 | | Emma Morris | U15 | -9 | Ken Spencer | Bracknell AC | Bromley | 15 Jul 17 | |
| 75 | 41.18 | i | | 40.98i | | Acacia Williams-Hewitt | U15 | -9 | Paul Ttereve | Hallamshire | Sheffield | 19 Mar 17 | |
| 41.40 | | | | | | | | | | Cudworth | 13 May 17 | |
| 42.8 | | | | | | | | | | York | 20 May 17 | |
| 76 | 41.19 | | | 40.40 | | Amber Clare | U17 | -7 | | Basingstoke & Mid Hants | Bracknell | 25 Mar 17 | |
| 77 | 41.26 | | | 40.75 | | Hannah Longden | U17 | -6 | Jason Michael Quirke | Cardiff | Cardiff | 25 Jun 17 | |
| 77 | 41.26 | i | | 41.21i | | Heather Carson | U23 | -1 | Martin Cook | Ballymena & Antrim | Sheffield | 2 Dec 17 | |
| 79 | 41.33 | i | | 41.33 | PB | Isla Innes | U17 | -8 | | Edinburgh AC | Emirates Arena | 26 Mar 17 | |
| 41.33 | | | | | | | | | | Grangemouth | 13 May 17 | |
| 42.1 | | | | | | | | | | Darlington | 28 May 17 | |
| 80 | 41.35 | i | | 39.56i | | Laura Turley | U23 | -3 | Jonathan Moss | West Cheshire | Sportcity | 19 Mar 17 | |
| 80 | 41.35 | | | 41.35 | PB | Sophie Williams | | 2 | Mike Sweeney | Liverpool H | Sint Niklaas, BEL | 2 Aug 17 | |
| 82 | 41.37 | | | 41.03 | | Catherine Edwards | U17 | -8 | Rod Finch | Basingstoke & Mid Hants | Birmingham | 7 Jul 17 | |
| 83 | 41.38 | | | 41.38 | PB | Madeline Wilton | U17 | -8 | | City of Portsmouth | Crawley | 25 Mar 17 | |
| 83 | 41.38 | | | 41.38/41.3 | PB | Imaan Denis | U15 | -8 | | Harrow | Lee Valley | 8 Apr 17 | |
| 83 | 41.38 | | | 41.38 | PB | Petra Sijuwade | U17 | -7 | Leonard Allbrighton | Stevenage & North Herts | Stevenage | 28 May 17 | |
| 86 | 41.39 | | | 41.39 | PB | Maisie Rixon | U15 | -8 | Mark Ormerod | Tonbridge | Bedford | 26 Aug 17 | |
| 87 | 41.4 | | | 42.02/41.4 | PB | Sarah Zintchem | U17 | -7 | Rob Creasey | Rotherham | Spinkhill | 30 Apr 17 | |
| 42.28 | | | | | | | | | | Cudworth | 13 May 17 | |
| 87 | 41.4 | | | 44.87i/41.4 | PB | Cara Clarke | U20 | -6 | Mike Bennett | Worcester | Worcester | 7 May 17 | |
| 87 | 41.4 | | | 41.73/41.4 | PB | Lisa-Marie Uzokwe | U15 | -9 | Leonard Allbrighton | Stevenage & North Herts | Cambridge | 2 Jul 17 | |
| 41.73 | | | | | | | | | | Hendon | 30 Jul 17 | |
| 90 | 41.43 | i | | 40.69 | | Sophie Haldane | U20 | -5 | Ryan McAllister | Giffnock North | Emirates Arena | 2 Feb 17 | |
| 91 | 41.45 | | | 39.56i | | Orla Brennan | U17 | -8 | Neil Dodson | Windsor Slough Eton & Hounslow | Hendon | 23 Jul 17 | |
| 92 | 41.46 | | | 40.63 | | Katie Foss | U15 | -9 | Michael Love | Law | Bedford | 26 Aug 17 | |
| 93 | 41.48 | | | 41.48 | PB | Alima Diabate | | 4 | | Highgate | Lee Valley | 8 Apr 17 | |
| 94 | 41.49 | | | 41.49 | PB | Scarlet Storr | U17 | -7 | Michael Mahoney | Wycombe | Horspath | 13 May 17 | |
| 95 | 41.50 | | | 39.41i | | Tess McHugh | U17 | -8 | Peter Shaw | Sale Harriers Manchester | Stretford | 28 May 17 | |
| 96 | 41.5 | | | 41.16/40.7 | | Laura Burke | | 3 | Neil Dodson | Windsor Slough Eton & Hounslow | Eton | 1 Apr 17 | |
| 96 | 41.5 | | | 43.17/41.5 | PB | Derrion Thompson | U23 | -3 | Darren Lewis | Tipton | Telford | 5 Apr 17 | |
| 96 | 41.5 | | | 41.97/41.5 | PB | Amy Hillier | U17 | -7 | Diane Gibbons | Hillingdon | Uxbridge | 4 Jun 17 | |
| 41.97 | | | | | | | | | | Bedford | 26 Aug 17 | |
| 96 | 41.5 | | | 42.53i/41.5 | PB | Angel Gediz | U15 | -9 | | Bexley | Hastings | 18 Jun 17 | |
| 100 | 41.51 | | | 41.38 | | Emily Read | U17 | -7 | Martin Cook | Woking | Bracknell | 25 Mar 17 | |
| 101 | 41.52 | | | 41.52 | PB | Charlotte Sutton | U17 | -8 | Mark Brace | North Devon | Exeter | 17 Jun 17 | |
| 102 | 41.54 | | | 41.54 | PB | Yasmin Robinson | U17 | -6 | Colin Corless | Southend | Chelmsford | 13 May 17 | |
| 103 | 41.56 | i | | 41.56i | PB | Gemma Bruce | U15 | -8 | | Ayr Seaforth | Emirates Arena | 2 Feb 17 | |
| 42.03 | | | | | | | | | | Grangemouth | 10 Jun 17 | |
| 42.5 | | | | | | | | | | Ayr | 23 Apr 17 | |
| 104 | 41.58 | | | 41.58 | PB | Charlotte Johnson | U17 | -8 | Ken Spencer | Bracknell AC | Gillingham | 27 May 17 | |
| 104 | 41.58 | | | 41.58/41.4 | PB | Imogen Sheppard | U17 | -7 | Michael Sheppard | Stratford-upon-Avon | Bedford | 26 Aug 17 | |
| 106 | 41.59 | | | 41.59 | PB | Grace Gentry | U17 | -6 | David Rice | Hertford & Ware | Cambridge | 24 Jun 17 | |
| 106 | 41.59 | i | | 40.04 | | Hermione Plumptre | | 4 | Keith Holt | Birchfield H | Sheffield | 2 Dec 17 | |
| 108 | 41.6 | | | 42.77i/41.6 | PB | Natalie Griffiths | | 3 | Shaun Ainge | Cannock & Stafford | Telford | 5 Apr 17 | |
| 108 | 41.6 | | | 40.91 | | Poppy Glasby-Seddon | U15 | -8 | Carl Worthington | Sale Harriers Manchester | Blackpool | 13 May 17 | |
| 41.67 | i | | | | | | | | | Sportcity | 17 Dec 17 | |
| 42.02 | | | | | | | | | | Stretford | 1 Apr 17 | |
| 108 | 41.6 | | | 41.42 | | Jessica O'Hara | U17 | -7 | | Tonbridge | Chelmsford | 25 Jun 17 | |
| 42.19 | | | | | | | | | | Ashford | 10 Jun 17 | |
| 111 | 41.62 | | | 41.32 | | Abena Oteng | U17 | -7 | Colin Corless | Southend | Chelmsford | 10 Jun 17 | |
| 111 | 41.62 | | | 41.62 | PB | Anna Dornbusch | U17 | -8 | Julia Machin | Brighton & Hove | Basingstoke | 17 Jun 17 | |
| 113 | 41.63 | | | 41.63 | PB | Jessica Lambert | U17 | -7 | David Buckett | Crawley | Crawley | 13 May 17 | |
| 114 | 41.64 | i | | 41.43 | | Nicola Brechany | U20 | -5 | William Parker | Victoria Park City of Glasgow | Emirates Arena | 2 Feb 17 | |
| 115 | 41.67 | | | 40.34 | | Lydia Sommers | U20 | -5 | Nick Dakin | Basingstoke & Mid Hants | Basingstoke | 1 Apr 17 | |
| 115 | 41.67 | | | 41.67 | PB | Freya Menzies | U17 | -6 | Ryan McAllister | Giffnock North | Kilmarnock | 6 Aug 17 | |
| 117 | 41.69 | | | 41.04 | | Shakanya Osahon | U15 | -9 | Jay Galley | Blackheath & Bromley | Birmingham | 2 Sep 17 | |
| 117 | 41.69 | | | 41.69 | PB | Rebecca Calder | U17 | -8 | | Livingston | Livingston | 16 Sep 17 | |
| 119 | 41.70 | | | 39.26 | | Cedelle Agyei-Kyem | U15 | -8 | Jonathan Barbour | Team Hounslow | Battersea Park | 18 Jun 17 | |
| 120 | 41.7 | | | 40.50 | | Lucy-Jane Matthews | U15 | -8 | Andrew Fisher | Southampton | Southampton | 20 May 17 | |
| 120 | 41.7 | | | 39.31i | | Ashley Nemits | U15 | -10 | Trevor Painter | Warrington AC | Sportcity | 20 May 17 | |
| 43.02 | | | | | | | | | | Leigh | 19 Aug 17 | |
| 120 | 41.7 | | | 40.84/40.7 | | Sacha Didcote | U15 | -9 | Philip Jones | Colwyn Bay | Connah's Quay | 18 Jun 17 | |
| 42.29 | i | | | | | | | | | Cardiff | 28 Jan 17 | |
| 42.34 | | | | | | | | | | Cardiff | 1 Jul 17 | |
| 120 | 41.7 | | | 40.83i | | Emily Oyekan | U15 | -8 | Joe Frost | Stockport | Stretford | 15 Jul 17 | |
| 41.79 | i | | | | | | | | | Sheffield | 2 Dec 17 | |
| 41.90 | | | | | | | | | | Loughborough | 9 Aug 17 | |
| 124 | 41.72 | | | 40.99 | | Lucy Hoad | U20 | -5 | Mark Briggs | Sutton & District | Crawley | 25 Mar 17 | |
| 125 | 41.73 | | | 41.73 | PB | Morgan Spink | U17 | -8 | Mike Cooke | Doncaster | Derby | 14 May 17 | |
| 126 | 41.74 | | | 41.48 | | Lana Culliford | U17 | -6 | Helen Patricia James | Cardiff | Yate | 23 Jul 17 | |
| 127 | 41.75 | | | 41.75/41.0 | PB | Poppy Oliver | U15 | -9 | Paul McKeown | Crawley | Bedford | 26 Aug 17 | |
| 128 | 41.78 | i | | 41.25 | | Kyesha Robinson | U17 | -7 | Gladys Bird | Woodford Green Essex Ladies | Lee Valley | 21 Jan 17 | |
| 42.1 | | | | | | | | | | Watford | 7 May 17 | |
| 42.13 | | | | | | | | | | Chelmsford | 13 May 17 | |
| 129 | 41.79 | | | 41.79 | PB | Ruka Shonibare | U17 | -8 | Carl Worthington | Sale Harriers Manchester | Loughborough | 9 Aug 17 | |
| 130 | 41.80 | | | 41.74i | | Amelia Lees | U17 | -7 | Tom Druce | Guernsey | Bedford | 26 Aug 17 | |
| 131 | 41.8 | | | 41.49i | | Mia Chantree | U17 | -7 | Steve Mitchell | Chelmsford | Chelmsford | 4 Jun 17 | |
| 42.14 | | | | | | | | | | Grays | 3 Sep 17 | |
| 131 | 41.8 | | | 42.07/41.8 | PB | Georgia Walsh | U17 | -7 | | Wigan & District | Stretford | 10 Jun 17 | |
| 42.09 | | | | | | | | | | Birmingham | 17 Jun 17 | |
| 131 | 41.8 | | | 41.8 | PB | India Pentland | U17 | -8 | David Lowes | Darlington H | Hull | 13 Jun 17 | |
| 131 | 41.8 | | | 40.73 | | Elizabeth Thompson | U17 | -8 | Kenneth Pearson | Central | Doncaster | 25 Jun 17 | |
| 42.20 | | | | | | | | | | Grangemouth | 16 Apr 17 | |
| 131 | 41.8 | | | 42.91/41.8 | PB | Grace Plater | U17 | -6 | Matt Barton | Leeds City | Doncaster | 25 Jun 17 | |
| 42.96 | | | | | | | | | | Leeds | 28 May 17 | |
| 131 | 41.8 | | | 39.63 | | Poppy Ellis | U15 | -8 | Ruth O'Sullivan | Havering | Horspath | 1 Jul 17 | |
| 42.28 | | | | | | | | | | Birmingham | 2 Sep 17 | |
| 131 | 41.8 | | | 42.46/41.8 | PB | Darcey Lonsdale | U15 | -8 | Peter Crook | Preston | Preston | 15 Jul 17 | |
| 42.46 | | | | | | | | | | Stretford | 1 May 17 | |
| 131 | 41.8 | | | 40.81 | | Layla Zuill | U15 | -9 | Steven Doig | Fife | Grangemouth | 5 Aug 17 | |
| 42.07 | | | | | | | | | | Grangemouth | 5 Jul 17 | |
| 131 | 41.8 | | | 38.74 | | Serena Grace | U15 | -9 | Michael Utting | City of Norwich | Norwich | 20 Aug 17 | |
| 43.67 | | | | | | | | | | Grays | 3 Sep 17 | |
| 140 | 41.81 | i | | 41.36 | | Anabel Bagley | U17 | -6 | Lee Walker | Sheffield & Dearne | Sheffield | 21 Jan 17 | |
| 141 | 41.83 | | | 41.83 | PB | Erin Healy | U17 | -7 | Antoinette Inniss-Haycox | Kettering | Kettering | 13 Jun 17 | |
| 142 | 41.84 | i | | 40.53 | | Catriona Laing | U20 | -5 | | Central | Emirates Arena | 2 Feb 17 | |
| 143 | 41.89 | i | | 41.89i | PB | Katie Sharkey | U17 | -7 | | Central | Emirates Arena | 19 Feb 17 | |
| 143 | 41.89 | | | 40.53 | | Olivia Kimbowa | U17 | -7 | Les Hall | Bolton | Stretford | 13 May 17 | |
| 143 | 41.89 | | | 39.69 | | Poppy Malik | U15 | -9 | Grant Barker | Notts | Nuneaton | 20 Aug 17 | |
| 146 | 41.9 | | | 42.05/41.9 | PB | Elise Thorner | U17 | -7 | | Wells City | Yeovil | 28 May 17 | |
| 42.11 | | | | | | | | | | Exeter | 7 May 17 | |
| 146 | 41.9 | | | 41.96/41.2 | | Jasmin Drummond | U17 | -8 | | Birchfield H | Birmingham | 10 Jun 17 | |
| 42.13 | | | | | | | | | | Yate | 23 Jul 17 | |
| 148 | 41.91 | | | 41.91 | PB | Sophie Siriwardena | U17 | -6 | | Pitreavie | York | 25 Jun 17 | |
| 149 | 41.93 | | | 41.37 | | Emmanuella Young | U17 | -7 | | Reading AC | Reading | 25 Jun 17 | |
| 149 | 41.93 | | | 41.93 | PB | Amy Kirkpatrick | U15 | -9 | Michael Wright | Victoria Park City of Glasgow | Scotstoun | 9 Aug 17 | |
| 151 | 41.95 | i | | 41.95i | PB | Jaime Hood | U17 | -7 | | Ayr Seaforth | Emirates Arena | 2 Feb 17 | |
| 43.13 | | | | | | | | | | Kilmarnock | 13 May 17 | |
| 43.7 | | | | | | | | | | Ayr | 28 May 17 | |
| 151 | 41.95 | | | 41.95 | PB | Amy Fix | U17 | -6 | Colin Corless | Southend | Chelmsford | 13 May 17 | |
| 151 | 41.95 | | | 40.11 | | Katie Reville | U17 | -8 | David Hood | Nithsdale | Livingston | 19 Jul 17 | |
| 154 | 41.97 | | | 40.80 | | Melissa Coxon | U15 | -8 | Veronica Boden | Rotherham | Bedford | 26 Aug 17 | |
| 155 | 42.00 | | | 42.00 | PB | Holly McLachlan | U17 | -8 | | Fife | Grangemouth | 9 Jun 17 | |
| 156 | 42.0 | | | 42.99/42.0 | PB | Maddie Turner | U17 | -7 | John Miller | Winchester | Winchester | 9 Apr 17 | |
| 42.99 | | | | | | | | | | Portsmouth | 13 May 17 | |
| 156 | 42.0 | | | 40.61 | | Annie Bell | U15 | -9 | | Border | Salford | 20 May 17 | |
| 42.56 | i | | | | | | | | | Sportcity | 19 Mar 17 | |
| 156 | 42.0 | | | 42.46i/42.0 | PB | Katie Waterworth | U17 | -7 | Joe Frost | Stockport | Stockport | 28 May 17 | |
| 42.73 | i | | | | | | | | | Sportcity | 17 Dec 17 | |
| 156 | 42.0 | | | 42.22/42.0 | PB | Katie Liptrot | U17 | -7 | David Rice | Hertford & Ware | Chelmsford | 4 Jun 17 | |
| 42.22 | | | | | | | | | | Stevenage | 28 May 17 | |
| 156 | 42.0 | | | 41.29 | | Laure Kidukula | U15 | -9 | Vicente Modahl | Sale Harriers Manchester | Sportscity | 18 Jun 17 | |
| 42.27 | | | | | | | | | | Birmingham | 2 Sep 17 | |
| 156 | 42.0 | | | 41.97 | | Jessica Sheppard | U20 | -6 | Michael Sheppard | Stratford-upon-Avon | Rugby | 2 Jul 17 | |
| 162 | 42.03 | | | 42.03 | PB | Danielle Hopkins | U17 | -7 | Deirdre Elmhirst | Worcester | Worcester | 25 May 17 | |
| 163 | 42.05 | i | | 42.05i | PB | Steph Driscoll | U17 | -7 | Stephen Carroll | Liverpool H | Sheffield | 2 Dec 17 | |
| 164 | 42.06 | | | 42.06/41.9 | PB | Aneira Farrar-Daniel | U20 | -4 | Daniel Brooker | Brighton & Hove | Crawley | 25 Mar 17 | |
| 164 | 42.06 | | | 41.75 | | Grace Vans Agnew | U17 | -6 | Paul McKeown | Crawley | Bromley | 28 May 17 | |
| 164 | 42.06 | | | 39.82 | | Caitlyn Mapps | U15 | -8 | Phillip Warwicker | Cardiff Archers | Newport | 8 Jul 17 | |
| 167 | 42.07 | | | 42.07 | PB | Lucy Revitt | U17 | -7 | Martin Bishell | Hallamshire | Cudworth | 13 May 17 | |
| 168 | 42.1 | | | 41.37i | | Ella Rush | U15 | -10 | David Feeney | Amber Valley & Erewash | Abingdon | 3 Jun 17 | |
| 42.75 | | | | | | | | | | Derby | 27 May 17 | |
| 169 | 42.11 | | | 42.11 | PB | Shona McLay | U15 | -9 | | Central | Kilmarnock | 21 May 17 | |
| 169 | 42.11 | | | 41.98 | | Niamh Edgar | U15 | -8 | | Edinburgh AC | Kilmarnock | 21 May 17 | |
| 171 | 42.12 | | | 42.12 | PB | Matilda Press | U15 | -9 | | Ayr Seaforth | Kilmarnock | 21 May 17 | |
| 172 | 42.17 | | | 42.17 | PB | Anna Carlon | U17 | -7 | Julie Coleby | Durham | Hexham | 17 Jun 17 | |
| 173 | 42.19 | i | | 41.55 | | Isabel Davies | U17 | -7 | Kevin Williams | Newport H | Cardiff | 28 Jan 17 | |
| 42.40 | | | | | | | | | | Neath | 16 Jul 17 | |
| 174 | 42.2 | | | 42.22/41.9 | | Hannah Childs | U17 | -8 | Sara MacDonald-Gray | Southampton | Portsmouth | 8 Apr 17 | |
| 174 | 42.2 | | | 44.21/42.2 | PB | Anna Smith | U17 | -7 | Stuart Colledge | Newark AC | Grantham | 30 Apr 17 | |
| 174 | 42.2 | | | 40.09i | | Lauren Blakey | U17 | -7 | Paul Blakey | Derby | Derby | 10 Jun 17 | |
| 42.44 | | | | | | | | | | Derby | 23 Jul 17 | |
| 174 | 42.2 | | | 42.30/42.2 | PB | Natasha Bennett | U17 | -7 | | Bracknell AC | Reading | 10 Jun 17 | |
| 42.30 | | | | | | | | | | Reading | 25 Jun 17 | |
| 174 | 42.2 | | | 43.68/42.2 | PB | Marcey Winter | U17 | -7 | Anthony Childs | Guildford & Godalming | Guildford | 1 Jul 17 | |
| 43.68 | | | | | | | | | | Abingdon | 23 Jul 17 | |
| 179 | 42.21 | i | | 42.21i | PB | Robyn Taylor | U17 | -7 | Andrew Steven | Victoria Park City of Glasgow | Emirates Arena | 19 Feb 17 | |
| 179 | 42.21 | | | 42.21 | PB | Rhea Campbell | U17 | -7 | Conor Rennie | Giffnock North | Kilmarnock | 13 May 17 | |
| 181 | 42.22 | i | | 42.22i | PB | Anna Renken | | 10 | Glyn Hawkes | Loughborough Students | Sportcity | 17 Dec 17 | |
| 182 | 42.23 | i | | 41.91 | | Rebecca Roots | U20 | -5 | Stephen Cottle | Torbay | Cardiff | 10 Dec 17 | |
| 183 | 42.26 | | | 42.26 | PB | Holly Peltier | U17 | -6 | Duncan Mason | Salford H | Stretford | 13 May 17 | |
| 183 | 42.26 | | | 42.26 | PB | Lauren Woodiwiss | U17 | -7 | Ian Kelly | Colchester & Tendring | Chelmsford | 10 Jun 17 | |
| 185 | 42.27 | | | 40.83 | | Gillian Gordon | U20 | -4 | Dianne Chisholm | Inverness | Inverness | 9 Apr 17 | |
| 185 | 42.27 | | | 41.01i | | Georgia Morrison | U17 | -7 | Kenny Morrison | Inverclyde | Kilmarnock | 13 May 17 | |
| 185 | 42.27 | i | | 41.75i | | Danielle McGifford | U23 | -1 | Sharon-Louise Walls | Wigan & District | Sportcity | 17 Dec 17 | |
| 188 | 42.28 | | | 41.57 | | Molly Swingler | U15 | -9 | Christopher Voice | Eastbourne | Crawley | 13 May 17 | |
| 188 | 42.28 | | | 40.51 | | Natalie Groves | U15 | -10 | Stuart Hall | Spenborough | Cudworth | 13 May 17 | |
| 188 | 42.28 | | | 38.50 | | Abi Galpin | U17 | -6 | Tom Druce | Guernsey | St. Peter Port | 21 May 17 | |
| 191 | 42.3 | | | 42.65/42.3 | PB | Georgia Doyle-Lay | U20 | -4 | Mo Pearson | Newquay & Par | Carn Brea | 8 Apr 17 | |
| 191 | 42.3 | | | 42.48i/42.3 | PB | Elle Wastell | U17 | -7 | Steven Munday | Medway & Maidstone | Mile End | 28 May 17 | |
| 42.48 | i | | | | | | | | | Lee Valley | 19 Mar 17 | |
| 191 | 42.3 | | | 42.33/42.3 | PB | Drew Illingworth-Turner | U17 | -7 | Peter Crook | Preston | Blackpool | 10 Jun 17 | |
| 42.33 | | | | | | | | | | Hull | 2 Jul 17 | |
| 191 | 42.3 | | | 41.06 | | Bea Green | U17 | -8 | Martin Cook | Ipswich | Bury St Edmunds | 17 Sep 17 | |
| 195 | 42.34 | i | | 42.00i | | Heidi Jackson | U23 | -2 | | City of Stoke | Sportcity | 19 Mar 17 | |
| 195 | 42.34 | | | 41.98i | | Sophie Slider | U15 | -9 | Ricky Taylor | Ayr Seaforth | Kilmarnock | 13 May 17 | |
| 195 | 42.34 | | | 42.34 | PB | Brooke Coldwell | U15 | -8 | Brian O'Hare | Exeter | Bedford | 26 Aug 17 | |
| 198 | 42.35 | i | | 40.99i | | Lois Garland | U17 | -8 | Alan Erickson | Perth Strathtay | Emirates Arena | 28 Oct 17 | |
| 42.74 | | | | | | | | | | Grangemouth | 16 Apr 17 | |
| 199 | 42.37 | i | | 42.06 | | Rochelle Moukala | U17 | -6 | | Giffnock North | Emirates Arena | 28 Jan 17 | |
| 42.4 | | | | | | | | | | Doncaster | 25 Jun 17 | |
| 43.00 | | | | | | | | | | Sheffield | 30 Apr 17 | |
| 199 | 42.37 | | | 42.37 | PB | Devon Mather | U20 | -5 | George Male | Basingstoke & Mid Hants | Basingstoke | 1 Apr 17 | |
| 199 | 42.37 | i | | 42.37i | PB | Jasmine Jolly | U17 | -7 | Peter Crook | Preston | Sheffield | 2 Dec 17 | |
| 202 | 42.39 | | | 41.68i | | Leah Keisler | U15 | -9 | Michael Love | Law | Kilmarnock | 18 Jun 17 | |
| 203 | 42.4 | | | 42.63i/42.4 | PB | Neneh Gardner | U17 | -8 | Alan Hewson | Windsor Slough Eton & Hounslow | Welwyn | 14 Apr 17 | |
| 42.71 | i | | | | | | | | | Birmingham | 19 Feb 17 | |
| 43.42 | | | | | | | | | | Norwich | 30 Apr 17 | |
| 203 | 42.4 | | | 43.38/41.1 | | Lauren Fall | U15 | -9 | George Ogilvie | Winchester | Portsmouth | 22 Apr 17 | |
| 43.38 | | | | | | | | | | Portsmouth | 13 May 17 | |
| 203 | 42.4 | | | 41.92/41.4 | | Abbie Lovering | U15 | -9 | Ian Kennedy | Wimborne | Bournemouth | 14 May 17 | |
| 42.57 | | | | | | | | | | Exeter | 7 May 17 | |
| 203 | 42.4 | | | 42.56/42.4 | PB | Isabelle Kelly | U17 | -7 | Robert Hughes | Cannock & Stafford | Rugby | 28 May 17 | |
| 42.56 | | | | | | | | | | Loughborough | 1 Apr 17 | |
| 203 | 42.4 | | | 42.21 | | Charlotte Mitchell | U17 | -6 | | Newport H | Yeovil | 28 May 17 | |
| 42.67 | | | | | | | | | | Brecon | 14 May 17 | |
| 203 | 42.4 | | | 42.17 | | Rebecca Bullock | U17 | -6 | Ian Byett | Basingstoke & Mid Hants | Poole | 16 Jul 17 | |
| 209 | 42.41 | | | 42.41 | PB | Molly Waring | U17 | -6 | Stuart Hall | Spenborough | Cleckheaton | 10 Sep 17 | |
| 210 | 42.43 | | | 42.43 | PB | Sophia Smith | U17 | -7 | | Invicta East Kent | Canterbury | 13 Apr 17 | |
| 210 | 42.43 | | | 42.43 | PB | Elizabeth Tolley | U17 | -6 | | Dorset Schs | Exeter | 17 Jun 17 | |
| 210 | 42.43 | | | 42.01 | | Isla Calvert | U15 | -9 | | Livingston | Livingston | 19 Jul 17 | |
| 210 | 42.43 | | | 42.43 | PB | Olivia Saunders | U17 | -7 | Panos Ioannou | Marshall Milton Keynes | Yate | 23 Jul 17 | |
| 214 | 42.44 | i | | 42.06/41.5 | | Ellie Ravenscroft | U20 | -4 | | Kidderminster & Stourport | Cardiff | 15 Nov 17 | |
| 43.1 | | | | | | | | | | Stourport | 2 Apr 17 | |
| 215 | 42.49 | | | 42.49 | PB | Eloise Longhurst | U15 | -9 | Roy Hayward | Worthing | Crawley | 28 Aug 17 | |
| 215 | 42.49 | i | | 41.26i | | Erin Minton-Branfoot | U20 | -4 | Sarah Stark | Chelmsford | Sheffield | 2 Dec 17 | |
| 217 | 42.5 | | | 42.5 | PB | Rachel Bennett | U17 | -8 | | Shildon | Cleckheaton | 2 Apr 17 | |
| 217 | 42.5 | | | 43.06/42.5 | PB | Grace Storr | U17 | -7 | Michael Mahoney | Wycombe | Uxbridge | 30 Apr 17 | |
| 43.06 | | | | | | | | | | Horspath | 13 May 17 | |
| 217 | 42.5 | | | 42.58/42.5 | PB | Lucy Maunders | U17 | -8 | Andrejs Safars | Medway & Maidstone | Mile End | 28 May 17 | |
| 42.58 | | | | | | | | | | Ashford | 14 May 17 | |
| 217 | 42.5 | | | 42.5 | PB | Esther Jackson | U15 | -9 | Mick Bond | Cambridge H | Mile End | 18 Jun 17 | |
| 217 | 42.5 | | | 43.17/42.5 | PB | Holly Paine | U17 | -7 | | Yeovil | Swindon | 25 Jun 17 | |
| 43.17 | | | | | | | | | | Yeovil | 13 May 17 | |
| 217 | 42.5 | | | 42.5 | PB | Anousha Salehi | U17 | -7 | | Rugby & Northampton | Wolverhampton | 25 Jun 17 | |
| 217 | 42.5 | | | 41.58 | | Katie Dinwoodie | U15 | -9 | Martin Leyland | Shetland | Lerwick | 10 Sep 17 | |
| 42.68 | | | | | | | | | | Inverness | 13 May 17 | |
| 217 | 42.5 | | | 43.29/42.5 | PB | Aimee Smith | U15 | -9 | | Shetland | Lerwick | 10 Sep 17 | |
| 43.29 | | | | | | | | | | Grangemouth | 10 Jun 17 | |
| 225 | 42.52 | i | | 42.52i | PB | Rosa Gally | U20 | -6 | | Team East Lothian | Emirates Arena | 2 Feb 17 | |
| 225 | 42.52 | | | 42.52/42.4 | PB | Glalys Dacosta | U17 | -7 | | Croydon | Kingston | 10 Jun 17 | |
| 227 | 42.54 | | | 42.54 | PB | Lara Hansen | U17 | -6 | | Herts Phoenix | Gillingham | 30 Apr 17 | |
| 228 | 42.56 | | | 42.40/42.3 | | Mia Lowndes | U17 | -8 | Patrick Bell | Sale Harriers Manchester | Birmingham | 23 Apr 17 | |
| 229 | 42.57 | i | | 42.57i | PB | Abigail Davison | U17 | -7 | Sandy Robertson | Edinburgh AC | Emirates Arena | 19 Feb 17 | |
| 42.68 | | | | | | | | | | Grangemouth | 16 Apr 17 | |
| 229 | 42.57 | | | 42.57/41.7 | PB | Jade Kavanagh | U17 | -8 | Trevor Wells | Havering | Chelmsford | 13 May 17 | |
| 231 | 42.58 | i | | 41.18i | | Becky Quirke | U20 | -4 | Martin Cook | Worthing | Sheffield | 2 Dec 17 | |
| 232 | 42.59 | | | 42.18 | | Ellie Brown | U15 | -8 | Gia Skervin | Notts | Loughborough | 1 Apr 17 | |
| 233 | 42.60 | | | 42.60 | PB | Katie Robbins | U17 | -6 | Mark Lodge | Yate | Exeter | 17 Jun 17 | |
| 234 | 42.6 | | | 42.67/42.6 | PB | Olivia Willmore | U17 | -8 | Dean Exton | Dorchester | Harrow | 28 May 17 | |
| 42.67 | | | | | | | | | | Exeter | 2 Jul 17 | |
| 234 | 42.6 | | | 43.04/42.6 | PB | Thea Howlett | U17 | -7 | Gareth Hunt | Ryston | Cambridge | 18 Jun 17 | |
| 43.04 | | | | | | | | | | Reading | 25 Jun 17 | |
| 234 | 42.6 | | | 42.88/42.6 | PB | Emma Horsey | U15 | -9 | Andrew Kennard | Walton | Winchester | 18 Jun 17 | |
| 43.58 | | | | | | | | | | Kingston | 14 May 17 | |
| 234 | 42.6 | | | 42.82/41.7 | | Eve Clawley | U17 | -8 | Gordon Densley | Tamworth | Tipton | 25 Jun 17 | |
| 42.86 | | | | | | | | | | Birmingham | 17 Jun 17 | |
| 234 | 42.6 | | | 41.73 | | Siobhan Benson | U20 | -5 | | Deeside AAC | Wrexham | 12 Aug 17 | |
| 43.37 | i | | | | | | | | | Sheffield | 2 Dec 17 | |
| 239 | 42.62 | | | 42.19 | | Maisie Jeger | U15 | -9 | | Southampton | Birmingham | 2 Sep 17 | |
| 240 | 42.63 | | | 42.21 | | Annabel Carter | | 1 | Bill Foster | Invicta East Kent | Canterbury | 10 Aug 17 | |
| 241 | 42.64 | i | | 42.25 | | Ashleigh Lachenicht | U20 | -6 | Graham Davies | Northern (Isle of Man) | Sportcity | 19 Mar 17 | |
| 241 | 42.64 | | | 42.51 | | Molly Canham | U17 | -7 | Gavin Pavey | Exeter | Exeter | 28 Mar 17 | |
| 243 | 42.67 | | | 42.19/41.8 | | Chloe Griffith-Mcgeever | U15 | -9 | Alwyn Roberts | Menai | Wrexham | 20 Aug 17 | |
| 244 | 42.68 | | | 42.68 | PB | Milly Fox | U17 | -8 | Lee Walker | Sheffield & Dearne | Leeds | 28 May 17 | |
| 244 | 42.68 | | | 40.81 | | Naomi Palmer | U15 | -9 | Jane Dixon | Luton | Horspath | 10 Sep 17 | |
| 246 | 42.7 | | | 43.00/42.7 | PB | Olivia-Jade Garratt | U17 | -7 | Peter Crook | Preston | Blackpool | 10 Jun 17 | |
| 43.00 | | | | | | | | | | Stretford | 23 May 17 | |
| 246 | 42.7 | | | 43.09/42.7 | PB | Ellie Mace | U17 | -6 | Ryan Procter | City of Stoke | Stoke | 10 Jun 17 | |
| 43.19 | | | | | | | | | | Derby | 23 Jul 17 | |
| 246 | 42.7 | | | 41.87 | | Zoe Dake | U15 | -9 | Paul Weston | Croydon | Tonbridge | 18 Jun 17 | |
| 42.90 | | | | | | | | | | Kingston | 14 May 17 | |
| 246 | 42.7 | | | 42.96i/42.7 | PB | Isabella Or Kam Fat | U17 | -8 | Lee Walker | Sheffield & Dearne | Doncaster | 25 Jun 17 | |
| 43.83 | | | | | | | | | | Loughborough | 1 Apr 17 | |
| 246 | 42.7 | | | 41.86 | | Stella Perrett | U17 | -7 | Chris Mole | North Shields Poly | Whitley Bay | 25 Jun 17 | |
| 246 | 42.7 | | | 43.57/42.7 | PB | Emily Marmion-Williams | U17 | -8 | Shane Smith | Kettering | Telford | 2 Jul 17 | |
| 246 | 42.7 | | | 40.60 | | Isabel Pinder | U15 | -9 | Rod Finch | Basingstoke & Mid Hants | Aldershot | 30 Jul 17 | |
| 43.44 | | | | | | | | | | Basingstoke | 19 Jul 17 | |
| 253 | 42.73 | | | 42.73 | PB | Emily Sharpe | U17 | -6 | Jane Farrier | Orion | Chelmsford | 13 May 17 | |
| 253 | 42.73 | | | 41.44i | | Jasmine Clark | U17 | -7 | Stephen Hay | Middlesbrough (Mandale) | Gateshead | 14 May 17 | |
| 253 | 42.73 | i | | 42.67i | | Michelle Owusu | U17 | -8 | Howard Court | Wolverhampton & Bilston | Sheffield | 2 Dec 17 | |
| 256 | 42.74 | i | | 41.88i | | Sade Kaka | U17 | -8 | John Smith | Sheffield & Dearne | Sheffield | 2 Dec 17 | |
| 257 | 42.75 | | | 42.75 | PB | Sarah Reece | U17 | -6 | Adrian Weston | Aldershot, Farnham & District | Bracknell | 25 Mar 17 | |
| 258 | 42.76 | | | 42.44 | | Rebekah O'Brien | U15 | -8 | | Tonbridge | Ashford | 14 May 17 | |
| 258 | 42.76 | | | 42.76 | PB | Anna Hill | U17 | -8 | | Lagan Valley | Belfast | 1 Jul 17 | |
| 258 | 42.76 | i | | 40.66 | | Charlotte Stamp | U20 | -4 | Geoffrey Barraclough | City of York | Sheffield | 2 Dec 17 | |
| 261 | 42.77 | i | | 42.77i | PB | Nuala McCheyne | U17 | -7 | Janice Hendrie | Inverclyde | Emirates Arena | 14 Jan 17 | |
| 42.87 | | | | | | | | | | Greenock | 4 Jun 17 | |
| 261 | 42.77 | | | 42.77 | PB | Emily Cornwall | U17 | -7 | | Basingstoke & Mid Hants | Basingstoke | 3 Sep 17 | |
| 261 | 42.77 | i | | 42.77i | PB | Sarah-Jane Ollis | U17 | -8 | Mike Bennett | Worcester | Sportcity | 17 Dec 17 | |
| 264 | 42.8 | | | 44.38i/42.8 | PB | Ellie Cleveland | U17 | -8 | Ken Spencer | Windsor Slough Eton & Hounslow | Eton | 1 Apr 17 | |
| 264 | 42.8 | | | 43.44/42.8 | PB | Elizabeth Truslove | U17 | -8 | Alison Allee | Rugby & Northampton | Nottingham | 30 Apr 17 | |
| 43.44 | | | | | | | | | | Birmingham | 17 Jun 17 | |
| 264 | 42.8 | | | 43.91/42.8 | PB | Catherine Gallagher | U17 | -8 | Norman Waterson | Wirral | Bebington | 13 May 17 | |
| 264 | 42.8 | | | 43.02/42.8 | PB | Alexia Bennett-Cordy | U15 | -9 | Darren Lewis | Tipton | Stourport | 18 Jun 17 | |
| 43.02 | | | | | | | | | | Nuneaton | 20 Aug 17 | |
| 264 | 42.8 | | | 42.93/42.8 | PB | Faith Brew | U20 | -5 | Michael Cottam | Radley | Rugby | 2 Jul 17 | |
| 264 | 42.8 | | | 40.61 | | Isabelle Bloem | U15 | -9 | | Halifax | York | 2 Jul 17 | |
| 42.83 | | | | | | | | | | Cudworth | 13 May 17 | |
| 270 | 42.81 | | | 41.45i | | Katie Burr | U15 | -9 | | Victoria Park City of Glasgow | Grangemouth | 5 Jul 17 | |
| 270 | 42.81 | | | 42.45i | | Amelia Hill | U17 | -7 | Jeffrey Harwood | Blaenau Gwent | Swansea | 29 Jul 17 | |
| 272 | 42.82 | | | 41.99 | | Amy Battle | U15 | -10 | Pete Torrance | Stockport | Stretford | 29 May 17 | |
| 273 | 42.83 | | | 42.61 | | Holly Fowler | U15 | -9 | | Hallamshire | Cudworth | 13 May 17 | |
| 273 | 42.83 | | | 42.83 | PB | Ellie Tromans | U15 | -9 | | Carmarthen | Swansea | 9 Jul 17 | |
| 275 | 42.84 | | | 42.02i/41.9 | | Skye Verwey | U17 | -8 | Sharon Edghill | Marshall Milton Keynes | Horspath | 13 May 17 | |
| 276 | 42.85 | i | | 42.01 | | Beth Lloyd | U17 | -7 | Sharon Morris | Birchfield H | Birmingham | 19 Feb 17 | |
| 277 | 42.86 | | | 42.86 | PB | Ellie Krefting | U17 | -7 | Alan Hewson | Windsor Slough Eton & Hounslow | Reading | 25 Jun 17 | |
| 277 | 42.86 | i | | 42.63/41.9 | | Sophie Rickner | U20 | -4 | Colin Corless | Southend | Lee Valley | 3 Dec 17 | |
| 279 | 42.89 | | | 42.89 | PB | Emily Lowery | U17 | -7 | Alison Hartopp | Macclesfield | Stretford | 23 May 17 | |
| 280 | 42.90 | | | 42.90 | PB | Simisola Owoseni | U17 | -8 | | Sale Harriers Manchester | Stretford | 25 Jun 17 | |
| 280 | 42.90 | i | | 42.06 | | Eve Denholm | U17 | -7 | Ryan McAllister | Giffnock North | Emirates Arena | 28 Oct 17 | |
| 43.01 | | | | | | | | | | Grangemouth | 9 Jun 17 | |
| 43.2 | | | | | | | | | | Doncaster | 25 Jun 17 | |
| 282 | 42.9 | | | 42.9 | PB | Petra Bediako | U23 | -2 | Michael Plummer | BRAT | Stourport | 2 Apr 17 | |
| 282 | 42.9 | | | 42.04i/42.0 | | Chloe Lindop | U20 | -5 | Shaun Ainge | Cannock & Stafford | Telford | 5 Apr 17 | |
| 282 | 42.9 | | | 43.61/42.9 | PB | Elizabeth Wright | U17 | -7 | Russell Tart | Warrington AC | Leigh | 30 Apr 17 | |
| 43.88 | | | | | | | | | | Warrington | 13 May 17 | |
| 282 | 42.9 | | | 42.07 | | Amy Tivey | U17 | -7 | Grant Barker | Notts | Nottingham | 30 Apr 17 | |
| 43.27 | | | | | | | | | | Derby | 14 May 17 | |
| 282 | 42.9 | | | 41.26 | | Chanelle Cole | U17 | -8 | Gary Capon | Dartford H | Lewes | 25 Jun 17 | |
| 42.99 | | | | | | | | | | Ashford | 14 May 17 | |
| 282 | 42.9 | | | 43.56i/42.9 | PB | Kati Hulme | U17 | -8 | Arnie Wray | Shrewsbury | Shrewsbury | 29 Jun 17 | |
| 288 | 42.91 | i | | 42.73i | | Daisy Worthington | U15 | -9 | Joe Frost | Bury | Sheffield | 19 Mar 17 | |
| 43.03 | | | | | | | | | | Stretford | 17 Apr 17 | |
| 43.4 | | | | | | | | | | Bury | 18 Jun 17 | |
| 288 | 42.91 | | | 42.91 | PB | Mia Liddell | U15 | -9 | Paul Smith | Chester-le-Street | Chester-le-Street | 24 Sep 17 | |
| 288 | 42.91 | i | | 40.19i | | Mia Morrisroe | U15 | -10 | Stephen Carroll | Liverpool H | Sportcity | 17 Dec 17 | |
| 43.4 | | | | | | | | | | Preston | 22 Apr 17 | |
| 291 | 42.92 | | | 42.77 | | Rachel Laurie | U17 | -6 | David Churcher | Chichester | Crawley | 8 Apr 17 | |
| 292 | 42.94 | | | 42.94 | PB | Lucy Mills | U17 | -7 | Brian Burgin | Halifax | Cleckheaton | 10 Sep 17 | |
| 293 | 42.95 | | | 42.95 | PB | Skye Turner | U15 | -10 | | Victoria Park City of Glasgow | Scotstoun | 9 Aug 17 | |
| 293 | 42.95 | i | | 42.06/41.6 | | Jade Kinsey | U20 | -5 | Alistair Kinsey | Tavistock | Cardiff | 10 Dec 17 | |
| 295 | 42.96 | | | 42.96 | PB | Shakira Martin | | 8 | | Winchester | Crawley | 25 Mar 17 | |
| 296 | 42.98 | | | 41.66 | | Sophie Maddock | U17 | -7 | Jane Dixon | Shaftesbury Barnet | Norwich | 30 Apr 17 | |
| 296 | 42.98 | | | 42.98 | PB | Olivia Quinn | U17 | -8 | | Gateshead | Hull | 2 Jul 17 | |
| 298 | 42.99 | | | 42.99 | PB | Martine Scott | U17 | -8 | | Guildford & Godalming | Exeter | 17 Jun 17 | |
| 299 | 43.0 | | | 42.38 | | Lucy McRoberts | U17 | -6 | | Pitreavie | Hull | 30 Apr 17 | |
| 43.35 | | | | | | | | | | Grangemouth | 16 Apr 17 | |
| 299 | 43.0 | | | 44.25/43.0 | PB | Kaya Gordon | U17 | -7 | | Wolverhampton & Bilston | Nottingham | 30 Apr 17 | |
| 299 | 43.0 | | | 43.35/42.7 | | Lottie Ambridge | U17 | -8 | Ken Spencer | Bracknell AC | Reading | 10 Jun 17 | |
| 43.49 | | | | | | | | | | Bracknell | 25 Mar 17 | |
| 299 | 43.0 | | | 43.18/43.0 | PB | Rosie Brown | U17 | -7 | Patrick Gahagan | Havering | Chelmsford | 25 Jun 17 | |
| 43.18 | | | | | | | | | | Stevenage | 28 May 17 | |
| 299 | 43.0 | | | 43.44/43.0 | PB | Macy Ring | U15 | -8 | Christopher Voice | Eastbourne | Lewes | 28 Jun 17 | |
| 43.44 | | | | | | | | | | Crawley | 13 May 17 | |
| 299 | 43.0 | | | 40.80i | | Sophie Walton | U15 | -10 | Trevor Williams | Horwich | Litherland | 15 Jul 17 | |
| 305 | 43.01 | | | 43.01 | PB | Hannah Little | U15 | -9 | | Edinburgh AC | Grangemouth | 10 Jun 17 | |
| 306 | 43.04 | | | 42.20/41.2 | | Zakia Mossi | U15 | -9 | Phillip Kissi | Blackheath & Bromley | Eton | 18 Jun 17 | |
| 307 | 43.05 | | | 43.05 | PB | Alice Hillary | U17 | -7 | | Guildford & Godalming | Perivale | 28 May 17 | |
| 307 | 43.05 | | | 41.34 | | Celyn Williams | U17 | -7 | Carol Jones | Carmarthen | Cardiff | 1 Jul 17 | |
| 309 | 43.06 | | | 43.06 | PB | Maddie Chivers | U17 | -6 | | London Schs | Birmingham | 19 Jun 17 | |
| 309 | 43.06 | | | 43.06 | PB | Amy Panton | U17 | -7 | | Edinburgh AC | Birmingham | 3 Sep 17 | |
| 311 | 43.07 | | | 43.07 | PB | Tegan Spence | U17 | -8 | Francis Smith | Orkney | Inverness | 13 May 17 | |
| 312 | 43.08 | | | 41.98 | | Lily Gaskin | U17 | -8 | Liz Davies | Cardiff | Wrexham | 20 Aug 17 | |
| 313 | 43.09 | i | | 40.98 | | Sophie Elliss | U20 | -4 | Lorna Boothe | Croydon | Sheffield | 2 Dec 17 | |
| 314 | 43.10 | i | | 42.63 | | Amber Evans | U17 | -7 | | Swansea | Cardiff | 28 Jan 17 | |
| 314 | 43.10 | | | 43.10 | PB | Charlotte Humphries | U17 | -7 | | Windsor Slough Eton & Hounslow | Bracknell | 25 Mar 17 | |
| 316 | 43.1 | | | 43.50/43.1 | PB | Ayla Hewitt | U15 | -8 | Anita Richardson | Sale Harriers Manchester | Preston | 22 Apr 17 | |
| 43.50 | | | | | | | | | | Stretford | 1 Apr 17 | |
| 316 | 43.1 | | | 45.31i/42.3 | | Alice Cashin | U15 | -8 | | Northern (Isle of Man) | Blackpool | 13 May 17 | |
| 316 | 43.1 | | | 43.60/41.9 | | Emma Fulton | U17 | -8 | Andy Bibby | Preston | Blackpool | 13 May 17 | |
| 43.60 | | | | | | | | | | Stretford | 20 Jun 17 | |
| 316 | 43.1 | | | 43.82/43.1 | PB | Emily Findlater | U17 | -7 | Matthew Hargreaves | Tamworth | Wolverhampton | 13 May 17 | |
| 43.82 | | | | | | | | | | Nuneaton | 20 Aug 17 | |
| 316 | 43.1 | | | 43.70/43.1 | PB | Hannah Bell | U15 | -8 | Paul Miller | Newham & Essex Beagles | Hastings | 20 May 17 | |
| 43.70 | | | | | | | | | | Newham | 29 May 17 | |
| 316 | 43.1 | | | 42.72 | | Lucy Perkins | U15 | -9 | | Vale of Aylesbury | Wormwood Scrubs | 20 May 17 | |
| 43.13 | | | | | | | | | | Horspath | 13 May 17 | |
| 316 | 43.1 | | | 42.17 | | Georgia Tombs | U15 | -9 | Stephen Williams | Chelmsford | Chelmsford | 4 Jun 17 | |
| 43.76 | | | | | | | | | | Woodford | 2 Jul 17 | |
| 316 | 43.1 | | | 42.58/41.7 | | India Perry | U15 | -9 | | Basildon | Luton | 4 Jun 17 | |
| 316 | 43.1 | | | 43.47/43.1 | PB | Zindzi Williams | U17 | -8 | | Croydon | Kingston | 10 Jun 17 | |
| 43.47 | | | | | | | | | | Kingston | 10 Jun 17 | |
| 316 | 43.1 | | | 41.79 | | Emma Hansen | U15 | -9 | Andrew Beadle | Cheltenham | Cheltenham | 12 Jul 17 | |
| 316 | 43.1 | | | 42.23 | | Megan Costello | U15 | -8 | Geoffrey Fenwick | Gateshead | Preston | 15 Jul 17 | |
| 316 | 43.1 | | | 44.86/43.1 | PB | Katie Hopkins | U17 | -7 | Barbara Rodriguez | Woking | Poole | 16 Jul 17 | |
| 316 | 43.1 | | | 45.81i/43.1 | PB | Kate Cashin | U15 | -8 | | Northern (Isle of Man) | Douglas | 22 Jul 17 | |
| 316 | 43.1 | | | 43.1 | PB | Zuri Mullings | U17 | -7 | | Windsor Slough Eton & Hounslow | Basingstoke | 9 Sep 17 | |
| 330 | 43.12 | | | 42.95/42.9 | | Holly Bigger | U15 | -8 | Simon Prior | Wells City | Exeter | 7 May 17 | |
| 330 | 43.12 | | | 43.12/42.6 | PB | Grace Scopes | U17 | -6 | Andy Frankish | Blackheath & Bromley | Bromley | 28 May 17 | |
| 332 | 43.13 | | | 41.87 | | Amelia Spry | U15 | -8 | | City of Portsmouth | Horspath | 10 Sep 17 | |
| 333 | 43.15 | | | 42.90/42.6 | | Erin Nelson | U17 | -7 | | North Shields Poly | Hexham | 17 Jun 17 | |
| 333 | 43.15 | i | | 41.76i | | Jazmine Moss | U20 | -6 | Bruce Horsburgh | Gateshead | Sportcity | 17 Dec 17 | |
| 335 | 43.17 | | | 43.03 | | Aimee Stitt | U17 | -7 | Lawson Cochrane | Willowfield | Belfast | 13 Apr 17 | |
| 336 | 43.18 | i | | 43.18i | PB | Eve Greenway | U17 | -7 | Daniel Parton | Birchfield H | Sportcity | 19 Mar 17 | |
| 337 | 43.19 | | | 43.19 | PB | Eve Ward | U15 | -10 | | Blackheath & Bromley | Bromley | 12 Jun 17 | |
| 337 | 43.19 | i | | 41.78 | | Maya Curry | U17 | -9 | Anita Richardson | Sale Harriers Manchester | Sportcity | 17 Dec 17 | |
| 339 | 43.20 | | | 43.02/42.4 | | Amelia Bell | U17 | -7 | Richard Holt | Kingston & Poly | Kingston | 13 May 17 | |
| 339 | 43.20 | | | 42.39 | | Lucie Nicoll | U17 | -8 | Craig Hudson | Arbroath & District | Dunfermline | 3 Sep 17 | |
| 341 | 43.2 | | | 43.2 | PB | Rebecca Keen | U17 | -6 | Keith Hunter | Barrow & Furness | Blackpool | 1 Apr 17 | |
| 341 | 43.2 | | | 43.45/43.2 | PB | Emily Sanderson | U15 | -9 | Michael Mahoney | Wycombe | Harrow | 22 Apr 17 | |
| 43.45 | | | | | | | | | | Horspath | 13 May 17 | |
| 341 | 43.2 | | | 43.56/43.2 | PB | Harriet Buxton | U17 | -7 | | Burton | Wolverhampton | 13 May 17 | |
| 43.56 | | | | | | | | | | Derby | 28 May 17 | |
| 341 | 43.2 | | | 43.2 | PB | Gabrielle-Chiara Icmat | U17 | -7 | Richard Holt | Kingston & Poly | Harrow | 28 May 17 | |
| 341 | 43.2 | | | 41.23 | | Erin Bracknell | U15 | -10 | David Buckett | Crawley | Kingston | 18 Jun 17 | |
| 341 | 43.2 | | | 42.63i/41.8 | | Alissa Darbyshire | U15 | -9 | Peter Crook | Preston | Sportscity | 18 Jun 17 | |
| 341 | 43.2 | | | 43.29/43.2 | PB | Felicity Galbally | U17 | -7 | | Southend | Cambridge | 16 Jul 17 | |
| 43.29 | | | | | | | | | | Southend | 28 Aug 17 | |
| 348 | 43.21 | i | | 41.05i | | Dolita Awala-Shaw | U17 | -6 | Segrid Ayers | Newham & Essex Beagles | Lee Valley | 21 Jan 17 | |
| 348 | 43.21 | | | 43.21 | PB | Rachel Maguire | U17 | -6 | | Ballydrain | Belfast | 13 Apr 17 | |
| 350 | 43.22 | | | 43.22 | PB | Leisha Hunt | U15 | -8 | Joanne Hunt | Chelmsford | Chelmsford | 13 May 17 | |
| 350 | 43.22 | | | 43.22/43.0 | PB | Grace Pitman | U15 | -9 | Mark Wanklyn | Cheltenham | Yate | 20 May 17 | |
| 352 | 43.24 | | | 43.24 | PB | Alisha Ibitoye | U17 | -7 | Peter Crook | Preston | Stretford | 28 May 17 | |
| 353 | 43.25 | | | 43.25 | PB | Anna Gionis | U17 | -8 | | Stratford-upon-Avon | Nuneaton | 14 May 17 | |
| 354 | 43.26 | | | 43.26 | PB | Amelia Casey | U17 | -6 | David Wilkinson | Thames Valley | Lee Valley | 13 May 17 | |
| 355 | 43.27 | | | 43.27 | PB | Charlotte Clare | U17 | -8 | | Moorfoot | Grangemouth | 6 Sep 17 | |
| 356 | 43.28 | | | 43.10 | | Adrienne Murray | U17 | -7 | | Victoria Park City of Glasgow | Scotstoun | 9 Aug 17 | |
| 357 | 43.29 | | | 41.67 | | Jennifer Taylor | U15 | -8 | Peter Wileman | Durham | Gateshead | 14 May 17 | |
| 357 | 43.29 | i | | 41.51 | | Harriet Tuson | U17 | -8 | Darren Gauson | Yeovil | Cardiff | 3 Dec 17 | |
| 43.43 | | | | | | | | | | Exeter | 7 May 17 | |
| 359 | 43.30 | | | 43.02 | | Jessica Moore | U15 | -9 | Karen Murphy | Shaftesbury Barnet | Hendon | 13 Aug 17 | |
| 360 | 43.3 | | | 43.43/43.3 | PB | Isobel Miller | U15 | -8 | | Altrincham | Sportcity | 20 May 17 | |
| 43.43 | | | | | | | | | | Stretford | 1 Apr 17 | |
| 360 | 43.3 | | | 43.80/43.3 | PB | Cristina Potter | U17 | -7 | Ty Holden | Shaftesbury Barnet | Luton | 4 Jun 17 | |
| 43.80 | | | | | | | | | | Hendon | 13 Aug 17 | |
| 360 | 43.3 | | | 43.3 | PB | Catherine Obla | U17 | -7 | | City of Portsmouth | Bournemouth | 25 Jun 17 | |
| 360 | 43.3 | | | 43.58/43.3 | PB | Isabella Armitage | U15 | -9 | Mick Graham | Cambridge & Coleridge | Cambridge | 2 Jul 17 | |
| 43.58 | | | | | | | | | | Lee Valley | 8 Apr 17 | |
| 360 | 43.3 | | | 45.31i/43.3 | PB | Erin Moffatt | U15 | -9 | | Lancaster & Morecambe | Stretford | 15 Jul 17 | |
| 360 | 43.3 | | | 44.13/43.3 | PB | Charlie Seymour | U17 | -8 | | Trafford | Wrexham | 23 Jul 17 | |
| 360 | 43.3 | | | 42.24 | | Mia O'Hara | U15 | -9 | Barry Morris | Eastbourne | Crawley | 28 Aug 17 | |
| 367 | 43.31 | i | | 43.31i/42.0 | PB | Olivia Allbut | U17 | -7 | Karen Le Mottee | Jersey | Lee Valley | 21 Jan 17 | |
| 368 | 43.32 | | | 42.03 | | Ailsa Marsh | U17 | -7 | Paul Allan | Pitreavie | Birmingham | 3 Sep 17 | |
| 369 | 43.33 | i | | 43.33i | PB | Sofia Vella | U17 | -7 | Phil Banning | Cardiff | Cardiff | 28 Jan 17 | |
| 369 | 43.33 | | | 43.33 | PB | Jenny Milburn | U17 | -7 | | Tavistock | Exeter | 10 Jun 17 | |
| 371 | 43.36 | | | 43.36 | PB | Grace Reid | U17 | -7 | George Ogilvie | Winchester | Portsmouth | 13 May 17 | |
| 372 | 43.37 | | | 43.37 | PB | Jemima Kerley | U17 | -7 | | Exeter | Exeter | 2 Jul 17 | |
| 372 | 43.37 | | | 43.37 | PB | Amy Clark | U17 | -7 | Christopher Brown | Stroud | Exeter | 20 Aug 17 | |
| 372 | 43.37 | | | 43.37 | PB | Jasmine Greenaway | U15 | -8 | | Charnwood | Derby | 10 Sep 17 | |
| 372 | 43.37 | i | | 42.71i/42.4 | | Sophie Worrall | | 1 | Howard Court | Wolverhampton & Bilston | Sheffield | 2 Dec 17 | |
| 376 | 43.38 | | | 43.18 | | Caitlin Rogers | U17 | -7 | | Wimborne | Exeter | 17 Jun 17 | |
| 376 | 43.38 | | | 42.07 | | Alana Lea | U15 | -9 | Gwyn Jones | Cardiff | Newport | 8 Jul 17 | |
| 378 | 43.39 | i | | 42.92 | | Skye Marshall | U15 | -8 | Francis Smith | Pitreavie | Emirates Arena | 12 Feb 17 | |
| 378 | 43.39 | | | 43.39 | PB | Amy Braid | U17 | -7 | | Woking | Kingston | 13 May 17 | |
| 378 | 43.39 | | | 43.39 | PB | Charlotte Dutton | U17 | -6 | | North Devon | Exeter | 14 May 17 | |
| 381 | 43.40 | | | 43.40 | PB | Lucia Albertella | U15 | -8 | | Eastbourne | Crawley | 13 May 17 | |
| 382 | 43.4 | | | 42.80/42.7 | | Chante Bynoe-Gittens | U17 | -6 | | Reading AC | Reading | 8 Apr 17 | |
| 382 | 43.4 | | | 44.13/43.4 | PB | Erin Harnett | U15 | -8 | Lester Medcalf | East Grinstead | Hastings | 20 May 17 | |
| 382 | 43.4 | | | 48.45/43.4 | PB | Eirian Owen-Anning | U15 | -10 | | Wrexham | Sportcity | 20 May 17 | |
| 382 | 43.4 | | | 45.21/43.4 | PB | Katie Wright | U17 | -8 | Robert Pocklington | Huntingdonshire | Cambridge | 18 Jun 17 | |
| 382 | 43.4 | | | 42.40/42.3 | | Olivia James | U15 | -10 | Richard Jackson | Camberley | Aldershot | 25 Jun 17 | |
| 43.77 | | | | | | | | | | Woking | 3 Sep 17 | |
| 382 | 43.4 | | | 43.4 | PB | Olivia Smith | U17 | -7 | | Wigan & District | Bolton | 25 Jun 17 | |
| 382 | 43.4 | | | 42.56/42.2 | | Tracy Linus | U15 | -10 | David Leach | Lewes | Lewes | 28 Jun 17 | |
| 382 | 43.4 | i | | 43.4i | PB | Eliza Withers | U17 | -8 | | Richmond & Zetland | Sheffield | 17 Dec 17 | |
| 390 | 43.41 | | | 43.39 | | Sarah Wilson | U17 | -7 | Martin Rush | Team Bath | Yate | 13 May 17 | |
| 391 | 43.42 | | | 43.42 | PB | Bluebell Cooke | U15 | -9 | Catrina Lewis | Shaftesbury Barnet | Hendon | 13 Aug 17 | |
| 392 | 43.43 | | | 43.43 | PB | Rhea Southcott | U17 | -7 | Toni Minichiello | Leeds City | Sheffield | 30 Apr 17 | |
| 393 | 43.45 | | | 43.45 | PB | Rebecca Barnes | U17 | -7 | | Cambridge & Coleridge | Cambridge | 24 Jun 17 | |
| 393 | 43.45 | | | 43.45 | PB | Juliet Sherrington | U17 | -8 | | Preston | Stretford | 25 Jun 17 | |
| 393 | 43.45 | | | 41.35i/41.0 | | Lily Parris | U15 | -9 | Sarah Stark | Chelmsford | Hendon | 30 Jul 17 | |
| 396 | 43.46 | i | | 43.46i | PB | Rosie Mckay | U15 | -8 | Sara Lang | Giffnock North | Emirates Arena | 12 Feb 17 | |
| 43.49 | | | | | | | | | | Kilmarnock | 13 May 17 | |
| 43.8 | | | | | | | | | | Ayr | 23 Apr 17 | |
| 396 | 43.46 | | | 43.46 | PB | Kelsi Ellis | U17 | -7 | Ken Maggs | Nene Valley | Peterborough | 13 May 17 | |
| 398 | 43.47 | i | | 43.47i | PB | Costanza di Borgoricco | U17 | -7 | | Highgate | Lee Valley | 19 Mar 17 | |
| 399 | 43.48 | | | 42.14/41.8 | | Maddison Sawyer | U15 | -9 | Mike Botha | Invicta East Kent | Crawley | 26 Jul 17 | |
| 400 | 43.49 | | | 43.49 | PB | Sarah Coutts | U15 | -9 | | Pitreavie | Kilmarnock | 21 May 17 | |
| 400 | 43.49 | | | 43.49/42.5 | PB | Anna Montagne | U15 | -8 | Deborah Montgomery | Team Kennet | Woking | 3 Sep 17 | |
| 402 | 43.50 | | | 43.50/42.9 | PB | Katie Goldsmith | U17 | -8 | Peter Gore | City of Norwich | Cambridge | 24 Jun 17 | |
| 403 | 43.5 | | | 44.46i/43.5 | PB | Lela Bendris | U15 | -9 | Peter Crook | Preston | Blackpool | 13 May 17 | |
| 403 | 43.5 | | | 42.14/42.1 | | Cleo Tomlinson | U15 | -10 | Kim Milnthorpe | Horsham Blue Star | Aldershot | 20 May 17 | |
| 403 | 43.5 | | | 42.96 | | Mia Thomas | U17 | -8 | Darren Braithwaite | Orion | Mile End | 28 May 17 | |
| 403 | 43.5 | | | 42.57/42.5 | | Bronte Rennocks | U17 | -8 | | Rotherham | Scunthorpe | 28 May 17 | |
| 403 | 43.5 | | | 44.41/43.5 | PB | Sophie Temple | U17 | -6 | Garry Hunter | Gloucester | Yeovil | 28 May 17 | |
| 403 | 43.5 | | | 43.31 | | Jessica Tabraham | U15 | -9 | James McDonald | Herne Hill | Tonbridge | 18 Jun 17 | |
| 403 | 43.5 | | | 39.23 | | Emily Newnham | U15 | -10 | Nick Dakin | Medway Phoenix | Erith | 15 Jul 17 | |
| 403 | 43.5 | | | 42.60/42.5 | | Amy Dove | U15 | -8 | Alan Driver | Camberley | Swindon | 16 Jul 17 | |
| 411 | 43.51 | | | 42.15 | | Mia Keogh | U15 | -9 | Keith Geddes | Aberdeen | Inverness | 13 May 17 | |
| 412 | 43.52 | | | 43.52/43.5 | PB | Beatrice Maynard | U17 | -8 | Mark Andrews | Holland Sports AC | Kingston | 13 May 17 | |
| 413 | 43.53 | | | 43.53 | PB | Aaliyah Heron | U15 | -8 | | Basildon | Woodford | 2 Jul 17 | |
| 414 | 43.54 | | | 42.95/42.9 | | Zena Challenger | U17 | -7 | John Skevington | Wreake & Soar Valley | Loughborough | 1 Apr 17 | |
| 414 | 43.54 | | | 41.36/41.3 | | Sophie Anderson | U15 | -9 | Colin Corless | Southend | Chelmsford | 13 May 17 | |
| 414 | 43.54 | | | 43.54 | PB | Ellie Stone | U17 | -7 | Wendy Reid-Macintosh | Inverness | Inverness | 25 Jun 17 | |
| 417 | 43.55 | | | 42.59 | | Kate Howard | U15 | -10 | | Westbury | Yate | 13 May 17 | |
| 418 | 43.56 | | | 43.56 | PB | Eve Rennie | U15 | -9 | Mark Smith | Dunfermline Track & Field | Edinburgh | 2 Apr 17 | |
| 419 | 43.58 | | | 43.58 | PB | Taylah Paterson | U20 | -4 | Eoghan MacNamara | Orkney | Aberdeen | 17 May 17 | |
| 419 | 43.58 | i | | 42.47 | | Alaw Evans | U17 | -8 | Francis Baker | Cardiff Archers | Cardiff | 3 Dec 17 | |
| 421 | 43.59 | | | 43.59 | PB | Grace Goddard | U17 | -7 | Ian Dibbens | Blackheath & Bromley | Bromley | 12 Jun 17 | |
| 422 | 43.6 | | | 44.14/43.6 | PB | Anna Crayston | U15 | -8 | Tim Durrant | West Cheshire | Preston | 22 Apr 17 | |
| 422 | 43.6 | | | 43.62i/43.0 | | Emily MacTaggart | U17 | -7 | John Skevington | Charnwood | Banbury | 28 May 17 | |
| 43.62 | i | | | | | | | | | Birmingham | 19 Feb 17 | |
| 43.68 | | | | | | | | | | Nottingham | 8 Apr 17 | |
| 422 | 43.6 | | | 43.6 | PB | Mollie Jones | U17 | -7 | Kevin Tobin | Swansea | Cheltenham | 28 May 17 | |
| 422 | 43.6 | | | 44.63/43.6 | PB | Regan Cooper | U17 | -8 | Jim Lawrence | Marshall Milton Keynes | Rugby | 28 May 17 | |
| 422 | 43.6 | | | 43.67/43.6 | PB | Emma Clarke | U17 | -7 | David Lucas | Forest of Dean AC | Cheltenham | 10 Jun 17 | |
| 43.67 | | | | | | | | | | Exeter | 17 Jun 17 | |
| 422 | 43.6 | | | 43.78/43.6 | PB | Meredith Winship | U17 | -7 | David Pring | City of Norwich | Norwich | 10 Jun 17 | |
| 43.78 | | | | | | | | | | Grays | 3 Sep 17 | |
| 422 | 43.6 | | | 41.43/41.2 | | Kianna Proctor | U15 | -10 | Andy Bibby | Preston | Preston | 1 Jul 17 | |
| 422 | 43.6 | | | 42.46 | | Poppy Walters | U15 | -9 | | Woking | Woking | 2 Jul 17 | |
| 422 | 43.6 | | | 46.52/43.6 | PB | Megan Dewberry | U17 | -8 | Gill St Barbe | North Devon | Braunton | 9 Jul 17 | |
| 422 | 43.6 | | | 43.6 | PB | Grace Bunyan | U15 | -8 | | Bedford & County | Bedford | 16 Jul 17 | |
| 422 | 43.6 | | | 44.72/43.6 | PB | Jasmine Cant | U17 | -7 | Elaine Phillips | Ipswich | Ipswich | 16 Jul 17 | |
| 433 | 43.61 | | | 43.42/43.2 | | Dion Ingram | U17 | -7 | John Wilson | Victoria Park City of Glasgow | Grangemouth | 9 Jun 17 | |
| 433 | 43.61 | | | 43.61/43.2 | PB | Sophie Dove | U17 | -7 | Alan Driver | Camberley | Kingston | 10 Jun 17 | |
| 433 | 43.61 | | | 43.61 | PB | Holly Cherry | U17 | -6 | | Coventry | Leamington Spa | 5 Jul 17 | |
| 433 | 43.61 | i | | 43.61i | PB | Chloe Penketh | U17 | -8 | Steven Brick | Wirral | Sportcity | 17 Dec 17 | |
| 437 | 43.63 | i | | 43.63i | PB | Amy Kennedy | U15 | -10 | Colin Sinclair | Cumbernauld | Emirates Arena | 28 Oct 17 | |
| 438 | 43.64 | | | 42.94 | | Ella Sharpe | U17 | -7 | Andrew Ian Slater | Horsham Blue Star | Croydon | 28 May 17 | |
| 438 | 43.64 | i | | 42.38i/41.8 | | Sarah Long | U20 | -5 | | Team Bath | Cardiff | 10 Dec 17 | |
| 440 | 43.65 | | | 43.65 | PB | Maya Todd McIntyre | U15 | -8 | Graham Moffatt | Rushcliffe | Loughborough | 31 May 17 | |
| 440 | 43.65 | | | 41.60 | | Leah Proctor | U15 | -9 | | Chesterfield | Derby | 10 Sep 17 | |
| 442 | 43.66 | i | | 42.56i | | Iona Esslemont | U17 | -9 | Nigel Reynolds | Dundee Hawkhill | Emirates Arena | 28 Oct 17 | |
| 443 | 43.67 | | | 43.67 | PB | Holly Newham Else | U15 | -8 | | Amber Valley & Erewash | Derby | 29 Jul 17 | |
| 444 | 43.68 | | | 43.17 | | Ffion Davies | U15 | -8 | | Pembrokeshire | Swansea | 9 Jul 17 | |
| 444 | 43.68 | i | | 42.99i | | Abigail Pawlett | U17 | -9 | Joe Frost | Stockport | Sheffield | 2 Dec 17 | |
| 446 | 43.69 | | | 43.69 | PB | Chinwe Opurum-Kpandi | U15 | -9 | | Enfield & Haringey | Newham | 29 May 17 | |
| 447 | 43.70 | | | 43.70 | PB | Scarlett Kent | U17 | -8 | Jeremy Sothcott | Shaftesbury Barnet | Bromley | 28 May 17 | |
| 448 | 43.7 | | | 44.06i/43.7 | PB | Olivia Parkes | U17 | -7 | | Rotherham | Scunthorpe | 25 Mar 17 | |
| 448 | 43.7 | | | 44.45/42.7 | | Sophie Willis | U17 | -6 | Alan Hewson | Windsor Slough Eton & Hounslow | Eton | 1 Apr 17 | |
| 448 | 43.7 | | | 43.93/42.7 | | Emma Sherwood | U17 | -7 | Kenneth Dworak | Dudley & Stourbridge | Kidderminster | 30 Apr 17 | |
| 448 | 43.7 | | | 44.33/43.7 | PB | Libby Moore | U17 | -7 | Shaun Ainge | Cannock & Stafford | Nottingham | 30 Apr 17 | |
| 448 | 43.7 | | | 43.7 | PB | Charlotte Moran | U17 | -7 | | Bury | Wigan | 30 Apr 17 | |
| 448 | 43.7 | | | 42.99/42.9 | | Blessing Adjei-Okwabi | U17 | -7 | Jane Dixon | Shaftesbury Barnet | Watford | 7 May 17 | |
| 448 | 43.7 | | | 44.77/43.7 | PB | Clara Higgs | U15 | -8 | Diane Gibbons | Hillingdon | Uxbridge | 20 May 17 | |
| 448 | 43.7 | | | 43.83/43.7 | PB | Djamilla Nkereuwem | U17 | -8 | Carlo Monticolombi | Invicta East Kent | Mile End | 28 May 17 | |
| 448 | 43.7 | | | 42.73/42.3 | | Leonie Onyems | U17 | -8 | | St. Albans AC | Hemel Hempstead | 10 Jun 17 | |
| 448 | 43.7 | | | 43.7 | PB | Isabel Castelow | U17 | -7 | Brian Burgin | Halifax | Cudworth | 18 Jun 17 | |
| 448 | 43.7 | | | 44.29/43.7 | PB | Lauren McMullen | U17 | -7 | Aidan Bailey | Corby | Corby | 20 Jun 17 | |
| 448 | 43.7 | | | 44.57/43.7 | PB | Charlotte Read | U15 | -9 | Lee Walker | Sheffield & Dearne | Middlesbrough | 15 Jul 17 | |
| 448 | 43.7 | | | 45.31i/43.7 | PB | Lydia Cresswell | U17 | -7 | | Chesterfield | Cleckheaton | 23 Jul 17 | |
| 448 | 43.7 | | | 42.63/41.9 | | Sian Vico | U17 | -8 | Michael Mahoney | Wycombe | Poole | 23 Jul 17 | |
| 43.99 | | | | | | | | | | Abingdon | 26 Mar 17 | |
| 462 | 43.71 | i | | 42.77/42.7 | | Georgia Brawley | U20 | -5 | | Glasgow City | Emirates Arena | 2 Feb 17 | |
| 462 | 43.71 | | | 43.71 | PB | Monay Thomas | U17 | -7 | | Cambridge H | Croydon | 28 May 17 | |
| 464 | 43.72 | | | 40.53/40.5 | | Isabelle Skelton | U15 | -9 | Bill Boyd | Sutton-in-Ashfield | Derby | 18 Jun 17 | |
| 465 | 43.73 | | | 43.73 | PB | Hannah Bolton | U15 | -9 | Stephen Williams | Chelmsford | Chelmsford | 13 May 17 | |
| 466 | 43.74 | | | 43.74 | PB | Sosseh O’Brien | U15 | -9 | | High Peak AC | Derby | 29 Jul 17 | |
| 467 | 43.75 | | | 43.75/43.3 | PB | Renay Thomas | U17 | -8 | | Cambridge H | Croydon | 28 May 17 | |
| 468 | 43.76 | | | 43.30/43.0 | | Ciara Alexander | U15 | -9 | | Taunton | Yeovil | 13 May 17 | |
| 469 | 43.77 | i | | 39.48 | | Neave McGhee | U15 | -10 | | Liverpool H | Sportcity | 19 Mar 17 | |
| 44.0 | | | | | | | | | | Preston | 15 Jul 17 | |
| 469 | 43.77 | | | 43.77 | PB | Emma Jenkins | U20 | -5 | | Medway & Maidstone | Canterbury | 13 Apr 17 | |
| 471 | 43.78 | | | 43.78/43.5 | PB | Hannah Carson | | 9 | Gerald Patrick | Dartford H | Crawley | 25 Mar 17 | |
| 471 | 43.78 | | | 42.73 | | Lauren Etchells | U15 | -10 | Peter Wileman | Durham | Gateshead | 14 May 17 | |
| 473 | 43.80 | | | 43.80 | PB | Maria Starczewska | U17 | -8 | | Liverpool H | Stretford | 28 May 17 | |
| 473 | 43.80 | | | 43.44i | | Eva Blues | U15 | -8 | | Giffnock North | Gothenburg, SWE | 2 Jul 17 | |
| 473 | 43.80 | | | 43.80 | PB | Alicia Marriott | U17 | -8 | | Longwood | Cleckheaton | 10 Sep 17 | |
| 476 | 43.8 | | | 43.59/42.5 | | Rebecca Carter | U20 | -5 | Richard Eastman | Kidderminster & Stourport | Stourport | 2 Apr 17 | |
| 476 | 43.8 | | | 42.08 | | Ty Brockley-Langford | U15 | -8 | Paul Roden | East Cheshire | Bury | 22 Apr 17 | |
| 476 | 43.8 | | | 44.06i/43.8 | PB | Mya Ashbourne | U15 | -10 | | Harrow | Wormwood Scrubs | 20 May 17 | |
| 476 | 43.8 | | | 44.78/43.8 | PB | Robyn Hill | U17 | -8 | | Basingstoke & Mid Hants | Portsmouth | 10 Jun 17 | |
| 476 | 43.8 | | | 43.6 | | Anika Schwarze-Chintapatla | U17 | -7 | Matthew Seddon | Easingwold | York | 10 Jun 17 | |
| 476 | 43.8 | | | 47.29i/43.8 | PB | Ella Halpin | U15 | -8 | | Cheltenham | Cheltenham | 18 Jun 17 | |
| 476 | 43.8 | | | 43.43i/42.7 | | Maisie Tipping | U17 | -7 | Daniel Gilroy | West Cheshire | Bolton | 25 Jun 17 | |
| 476 | 43.8 | | | 41.28 | | Chloe Kornevall | U15 | -9 | David Leach | Lewes | Lewes | 28 Jun 17 | |
| 476 | 43.8 | | | 44.17/42.6 | | Ellie Heathcote | U17 | -7 | Christopher Wakeford | Cumbria Schs | Horspath | 1 Jul 17 | |
| 476 | 43.8 | | | 40.80 | | Keira Rose | U15 | -9 | | Medway & Maidstone | Ashford | 2 Jul 17 | |
| 43.88 | | | | | | | | | | Gillingham | 27 May 17 | |
| 476 | 43.8 | | | 45.01/43.8 | PB | Hayley Instance | U17 | -8 | | Thurrock | Norwich | 2 Jul 17 | |
| 476 | 43.8 | | | 44.18/43.4 | | Grace Drummond | U15 | -9 | Stephen Carroll | Liverpool H | Preston | 15 Jul 17 | |
| 488 | 43.81 | | | 43.81 | PB | Siwan Jones-Evans | U15 | -9 | | Carmarthen | Carmarthen | 14 May 17 | |
| 488 | 43.81 | | | 43.81 | PB | Daisy Ackerman | U15 | -9 | | Bristol & West | Yate | 20 May 17 | |
| 490 | 43.82 | | | 41.69i | | Louise Robinson | U17 | -6 | Joe Caines | Birchfield H | Birmingham | 23 Apr 17 | |
| 490 | 43.82 | | | 43.57i | | Jenna Morton | U17 | -8 | | Whitemoss | Kilmarnock | 28 May 17 | |
| 490 | 43.82 | | | 43.05 | | Carys Poole | U15 | -9 | Tony Morris | Swansea | Birmingham | 2 Sep 17 | |
| 493 | 43.83 | | | 43.14 | | Suzy Neill | U17 | -8 | | Banbridge | Belfast | 13 Apr 17 | |
| 494 | 43.84 | | | 43.02 | | Heather Bruce | U20 | -6 | Dianne Chisholm | Inverness | Inverness | 9 Apr 17 | |
| 495 | 43.85 | | | 43.85 | PB | Evie Odlin | U15 | -9 | David Clay | Louth | Grimsby | 29 May 17 | |
| 495 | 43.85 | | | 43.85 | PB | Amy Miller | U15 | -8 | Andy Frankish | Blackheath & Bromley | Bromley | 15 Jul 17 | |
| 497 | 43.86 | | | 42.44 | | Erin Silvester | U17 | -7 | Mark Brace | North Devon | Braunton | 30 Jul 17 | |
| 498 | 43.87 | | | 42.54i | | Hannah Stone | U15 | -10 | Catherine Breslin | Bracknell AC | Eton | 18 Jun 17 | |
| 499 | 43.88 | | | 43.87 | | Ella Matthews | U15 | -9 | Peter Witcomb | Brighton & Hove | Crawley | 13 May 17 | |
| 500 | 43.90 | | | 43.35i | | Catriona McPheat | U17 | -7 | Jamie Bowie | Team East Lothian | Grangemouth | 16 Apr 17 | |
| 500 | 43.90 | | | 43.90 | PB | Mia MacIver | U17 | -7 | | Orkney | Grangemouth | 9 Jun 17 | |
| 502 | 43.9 | | | 43.09/42.1 | | Emily Barrett | | 2 | | Windsor Slough Eton & Hounslow | Eton | 1 Apr 17 | |
| 502 | 43.9 | | | 42.87/40.5 | | Georgia Whitfield | U23 | -1 | | Gateshead | Jarrow | 19 Apr 17 | |
| 502 | 43.9 | | | 43.5 | | Charlotte Vaughan | U17 | -7 | | Walton | Dartford | 30 Apr 17 | |
| 502 | 43.9 | | | 42.9 | | Cartier Yearwood | U17 | -7 | | Harrow | Uxbridge | 30 Apr 17 | |
| 502 | 43.9 | | | 43.69i | | Emily Warren | U17 | -7 | | Blackburn | Blackpool | 13 May 17 | |
| 502 | 43.9 | | | 45.97/43.9 | PB | Abigail Ward | U15 | -8 | | Rugby & Northampton | Corby | 14 May 17 | |
| 502 | 43.9 | | | 43.78/42.9 | | Heidi Tanyi | U17 | -8 | Jane Farrier | Orion | Nuneaton | 3 Jun 17 | |
| 502 | 43.9 | | | 41.84 | | Imogen Lewis | U15 | -9 | Linda Nicholson | Tweed, Leader, Jed Track | Grangemouth | 24 Jun 17 | |
| 502 | 43.9 | | | 44.37/43.9 | PB | Charlotte Parris | U15 | -9 | Joanne Day | Harrogate | Middlesbrough | 15 Jul 17 | |
| 502 | 43.9 | | | 42.09i | | Olivia Fowler | U15 | -10 | Mark Machin | Crewe & Nantwich | Middlesbrough | 15 Jul 17 | |
| 502 | 43.9 | | | 46.44/43.9 | PB | Sarah Wilcock | U15 | -9 | Robin Rutherford | Darlington H | Middlesbrough | 16 Jul 17 | |
| 502 | 43.9 | | | 42.51i/42.5 | | Olivia Ashdown | U15 | -9 | Andrew Bridge | Leigh | Warrington | 13 Aug 17 | |
| 43.92 | | | | | | | | | | Stretford | 28 Aug 17 | |
| 502 | 43.9 | | | 43.9 | PB | Ellie Wheeler-Smith | U15 | -9 | Justin Smith | Gloucester | Yate | 13 Aug 17 | |
| 502 | 43.9 | | | 43.16 | | Jessica O'Flaherty | U15 | -9 | Kim Milnthorpe | Horsham Blue Star | Brighton | 1 Sep 17 | |
| 502 | 43.9 | | | 43.9 | PB | Kate Willis | U15 | -8 | David Pring | City of Norwich | Bury St Edmunds | 17 Sep 17 | |
| 517 | 43.91 | | | 43.91 | PB | Flo Robinson | U17 | -7 | Bob Willows | Brighton & Hove | Crawley | 10 Jun 17 | |
| 518 | 43.92 | | | 43.62 | | Rachel Donnelly | U15 | -9 | | Blaydon | Gateshead | 14 May 17 | |
| 518 | 43.92 | | | 43.92 | PB | Katherine Scott | U15 | -9 | | Solihull & Small Heath | Leamington Spa | 7 Jun 17 | |
| 518 | 43.92 | | | 41.76 | | Sophia Davila | U15 | -9 | Everton Caines | Solihull & Small Heath | Leamington Spa | 6 Sep 17 | |
| 521 | 43.93 | i | | 43.93i | PB | Jessica Nelson | U17 | -8 | Howard Tarry | Sale Harriers Manchester | Sheffield | 2 Dec 17 | |
| 522 | 43.94 | i | | 42.56 | | Lucy Reville | U20 | -5 | David Hood | Nithsdale | Emirates Arena | 2 Feb 17 | |
| 522 | 43.94 | | | 43.94 | PB | Safyre Forrester Jackson | U17 | -7 | Mark Briggs | Sutton & District | Crawley | 25 Mar 17 | |
| 522 | 43.94 | | | 43.94 | PB | Zipporah Golding | U15 | -9 | | Hercules Wimbledon | Carshalton | 9 Apr 17 | |
| 522 | 43.94 | | | 43.23 | | Rebecca Love | U17 | -7 | John Wilson | Victoria Park City of Glasgow | Grangemouth | 9 Jun 17 | |
| 526 | 43.95 | | | 43.95/43.5 | PB | Grace De Campos | U17 | -8 | Carl John Summers | Manchester H | Stoke | 1 Apr 17 | |
| 526 | 43.95 | | | 43.26 | | Catrin Powell Jones | U15 | -8 | Alwyn Roberts | Menai | Cardiff | 1 Jul 17 | |
| 526 | 43.95 | | | 41.60 | | Bethany Allott | U15 | -9 | Lee Walker | Barnsley AC | Middlesbrough | 3 Sep 17 | |
| 526 | 43.95 | i | | 41.75 | | Zahara Malcolm | U15 | -10 | John Stow | Woodford Green Essex Ladies | Lee Valley | 3 Dec 17 | |
| 530 | 43.96 | | | 43.96 | PB | Neve Grimes | U17 | -7 | Alison Wyeth | Charnwood | Nuneaton | 14 May 17 | |
| 530 | 43.96 | i | | 40.90 | | Heather Macdonald | U17 | -8 | Daniel Njai-Rowney | Blyth | Sheffield | 2 Dec 17 | |
| 532 | 43.97 | | | 43.97 | PB | Jessica Hoggarth | U17 | -8 | Enid Johnstone | Edinburgh AC | Sheffield | 23 Jul 17 | |
| 533 | 43.98 | | | 43.98 | PB | Isobel Mannion | U17 | -8 | Ian Byett | Basingstoke & Mid Hants | Basingstoke | 3 Sep 17 | |
| 534 | 43.99 | | | 43.99 | PB | Yasmin Grosvenor | U15 | -9 | Ken Spencer | Bracknell AC | Woking | 3 Sep 17 | |
| 535 | 44.00 | | | 44.00 | PB | Erika Marwick | | 5 | | Orkney | Inverness | 9 Apr 17 | |
| 535 | 44.00 | i | | 42.88i/42.1 | | Elizabeth Twite | U17 | -8 | Peter Shaw | Sale Harriers Manchester | Sportcity | 17 Dec 17 | |
| 537 | 44.0 | | | 44.15i/44.0 | PB | Ruth Hirst | | 5 | Geoffrey Barraclough | City of York | Scunthorpe | 25 Mar 17 | |
| 537 | 44.0 | | | 43.47 | | Nia Riley | U17 | -8 | Paul Hill | Cardiff Archers | Yeovil | 28 May 17 | |
| 537 | 44.0 | | | 44.47/44.0 | PB | Ella Hooper | U15 | -10 | Roger Turner | Worcester | Abingdon | 3 Jun 17 | |
| 537 | 44.0 | | | 44.46/44.0 | PB | Charlotte Cawkwell | U17 | -8 | | Barton & District AC | Hull | 3 Jun 17 | |
| 537 | 44.0 | | | 43.50 | | Natasha Stephenson | U15 | -8 | | Durham | Hull | 13 Jun 17 | |
| 537 | 44.0 | | | 42.51/42.4 | | Eleanor Milbourn | U15 | -10 | | Hallamshire | Spinkhill | 17 Jun 17 | |
| 537 | 44.0 | | | 44.0 | PB | Jessica Mitchell | U17 | -7 | Patrick Gahagan | Havering | Cambridge | 2 Jul 17 | |
| 537 | 44.0 | | | 44.0 | PB | Ruby Mace | U15 | -9 | Tony Benton | Havering | Cambridge | 2 Jul 17 | |
| 537 | 44.0 | | | 44.33/44.0 | PB | Alice Dale | U15 | -8 | Jessica Taylor-Jemmett | Sale Harriers Manchester | Preston | 15 Jul 17 | |
| 537 | 44.0 | | | 42.39i | | Lydia Morris | U15 | -9 | Graham Davies | Northern (Isle of Man) | Douglas | 22 Jul 17 | |
| 537 | 44.0 | | | 46.12/44.0 | PB | Madeline Hurley | U17 | -7 | | Stevenage & North Herts | Tonbridge | 23 Jul 17 | |
| 537 | 44.0 | | | 45.57/44.0 | PB | Chloe Norman | U17 | -6 | Tony Croft | Blackpool, Wyre & Fylde | Litherland | 29 Jul 17 | |
| 38.80 | | | 38.80 | PB | Davicia Patterson | U17 | -6 | Paul Magee | Beechmount | Tullamore, IRL | 3 Jun 17 | |
| 41.35 | | | 38.48 | | Roisin Harrison | U23 | -2 | Eoghan MacNamara | Aberdeen | Aberdeen | 17 May 17 | |
| 42.86 | i | | 42.43i | | Imola Asztalos | | 7 | | Cheltenham | Cardiff | 10 Dec 17 | |
| 43.78 | | | 39.28 | | Ioana-Rebecca Andrei | U15 | -9 | Jake Awe | Luton | Sandy | 23 Sep 17 | |