| 300 Women Overall 2019 to 44.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 38.50 | i | | 38.50i | PB | Holly Mpassy | U17 | -7 | Jay Galley | Blackheath & Bromley | Sheffield | 24 Feb 19 |  |
| 39.79 | | | | | | | | | | Sportcity | 8 Sep 19 | |
| 2 | 38.71 | | | 38.46 | | Hannah Foster | U20 | -6 | Craig Andrew | Shaftesbury Barnet | Stratford | 11 Aug 19 | |
| 3 | 38.74 | i | | 35.97+ | | Amber Anning | U20 | -4 | Lloyd Cowan | Brighton & Hove | Lee Valley | 1 Jan 19 | |
| 4 | 39.31 | i | | 39.31i | PB | Ashley Nemits | U17 | -8 | Trevor Painter | Warrington AC | Sheffield | 24 Feb 19 | |
| 39.5 | | | | | | | | | | Warrington | 11 May 19 | |
| 40.98 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 5 | 39.34 | | | 36.88i | | Emily Newnham | U17 | -8 | Nick Dakin | Dartford H | Gillingham | 9 Jun 19 | |
| 6 | 39.38 | | | 38.52i | | Nandy Kihuyu | U15 | -9 | Veronica Boden | Hallamshire | Bedford | 1 Sep 19 | |
| 7 | 39.39 | | | 39.39 | PB | Jenna Breen | U17 | -8 | Joanne Savage | City of Lisburn | Dublin (S), IRL | 22 Jun 19 | |
| 8 | 39.48 | | | 39.48 | PB | Neave McGhee | U17 | -8 | Stephen Carroll | Liverpool H | Liverpool | 17 Aug 19 | |
| 9 | 39.63 | | | 39.63 | PB | Poppy Ellis | U17 | -6 | Tony Benton | Havering | Crawley | 26 May 19 | |
| 9 | 39.63 | | | 39.63 | PB | Emilia Rock | U15 | -9 | Nick Taylor | Vale of Aylesbury | Birmingham | 13 Jul 19 | |
| 11 | 39.65 | | | 39.65 | PB | Sophie Wallwork | U15 | -9 | | Pitreavie | Grangemouth | 11 May 19 | |
| 12 | 39.66 | | | 38.93 | | Holly Gregory | | 2 | Stephen King | Crawley | Crawley | 7 Apr 19 | |
| 13 | 39.68 | i | | 39.68i | PB | Isabella Hilditch | U23 | -3 | John Blackie | Blackheath & Bromley | Princeton NJ, USA | 7 Dec 19 | |
| 14 | 39.72 | | | 39.26 | | Cedelle Agyei-Kyem | U17 | -6 | Andrew Kennard | Walton | Birmingham | 12 Jul 19 | |
| 15 | 39.73 | i | | 39.29 | | Natasha Harrison | U20 | -5 | Alex O'Gorman | Stockport | Sportcity | 15 Dec 19 | |
| 16 | 39.85 | | | 37.81i | | Rebecca Grieve | U15 | -9 | Francis Smith | Pitreavie | Bedford | 1 Sep 19 | |
| 17 | 39.87 | | | 39.87 | PB | Abbie Parker | U15 | -9 | Deborah Keenleyside | Dacorum | Hemel Hempstead | 8 Jun 19 | |
| 18 | 39.90 | | | 39.90 | PB | Mhairi Patience | | 2 | Allan Scott | Edinburgh AC | Crownpoint | 29 May 19 | |
| 19 | 39.92 | | | 39.92 | PB | Lucia Gifford-Groves | U17 | -7 | | Thanet AC | Yeovil | 11 May 19 | |
| 20 | 39.98 | i | | 39.98i | PB | Success Eduan | U17 | -8 | Anita Richardson | Sale Harriers Manchester | Sportcity | 15 Dec 19 | |
| 21 | 40.05 | i | | 38.19i | | Hannah Brier | U23 | -2 | Glyn Hawkes | Swansea | Sportcity | 15 Dec 19 | |
| 22 | 40.10 | | | 40.10 | PB | Tia Anderson | U17 | -6 | Peter Wileman | Durham | Middlesbrough | 12 May 19 | |
| 23 | 40.15 | i | | 40.15i | PB | Rachel Crorken | U23 | -3 | | Wakefield | Sheffield | 7 Dec 19 | |
| 24 | 40.19 | i | | 40.19i | PB | Mia Morrisroe | U17 | -8 | Stephen Carroll | Liverpool H | Sheffield | 24 Feb 19 | |
| 40.8 | | | | | | | | | | Preston | 5 May 19 | |
| 25 | 40.25 | | | 40.25 | PB | Imogen Pughe | U15 | -9 | | West Cheshire | Stretford | 27 May 19 | |
| 25 | 40.25 | | | 39.20 | | Jeslyn Agyei-Kyem | U17 | -8 | Andrew Kennard | Walton | Kingston | 8 Jun 19 | |
| 27 | 40.26 | i | | 40.26i | PB | Joy Eze | U17 | -8 | | Gateshead | Sheffield | 7 Dec 19 | |
| 28 | 40.33 | i | | 39.20i | | Hannah Kelly | U20 | -4 | Les Hall | Bolton | Sportcity | 15 Dec 19 | |
| 29 | 40.34 | | | 40.34 | PB | Lucy Poole | U15 | -9 | Gary Tunstall | Chorley ATC | Birmingham | 13 Jul 19 | |
| 30 | 40.40 | | | 40.40 | PB | Lucy Fellows | U15 | -8 | | St. Mary's Richmond | Exeter | 15 Jun 19 | |
| 31 | 40.44 | | | 39.84 | | Madeleine Whapples | U17 | -7 | Everton Caines | Solihull & Small Heath | Birmingham | 28 Apr 19 | |
| 32 | 40.50 | | | 40.46 | | Macey Morris | U17 | -7 | Kevin Williams | Swansea | Neath | 19 May 19 | |
| 33 | 40.5 | | | 40.53/40.5 | PB | Isabelle Skelton | U17 | -7 | Bill Boyd | Sutton-in-Ashfield | Burton | 26 May 19 | |
| 40.53 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 34 | 40.51 | | | 40.51 | PB | Natalie Groves | U17 | -8 | Stuart Hall | Spenborough | Birmingham | 13 Jul 19 | |
| 35 | 40.52 | | | 40.52 | PB | Emma Morris | U17 | -7 | Ken Spencer | Bracknell AC | Birmingham | 13 Jul 19 | |
| 36 | 40.60 | | | 40.60 | PB | Isabel Pinder | U17 | -7 | Rod Finch | Basingstoke & Mid Hants | Portsmouth | 11 May 19 | |
| 37 | 40.66 | | | 40.66 | PB | Nicole Alves | U17 | -6 | Carl Graham | Woodford Green Essex Ladies | Eltham | 26 May 19 | |
| 38 | 40.73 | | | 40.34 | | Lydia Sommers | U23 | -3 | Nick Dakin | Basingstoke & Mid Hants | Basingstoke | 6 Apr 19 | |
| 39 | 40.75 | | -1.4 | 40.75 | PB | Ella Wintle | U15 | -8 | | Pembrokeshire | Wrexham | 16 Jun 19 | |
| 39 | 40.75 | | | 40.61 | | Isabelle Bloem | U17 | -7 | Charlene Thomas | Halifax | Birmingham | 12 Jul 19 | |
| 41 | 40.76 | i | | 40.63 | | Katie Foss | U17 | -7 | Michael Love | Giffnock North | Emirates Arena | 26 Jan 19 | |
| 40.82 | | | | | | | | | | Aberdeen | 14 Apr 19 | |
| 41 | 40.76 | | | 40.44 | | Holly Murray | U17 | -6 | Joe Frost | Stockport | Loughborough | 6 Apr 19 | |
| 41 | 40.76 | | | 39.19 | | Jessica Astill | U15 | -9 | | Stevenage & North Herts | Hemel Hempstead | 8 Jun 19 | |
| 44 | 40.80 | | | 40.80 | PB | Keira Rose | U17 | -7 | Iain Presnell | Tonbridge | Ashford | 12 May 19 | |
| 44 | 40.80 | i | | 40.80i | PB | Sophie Walton | U17 | -8 | Trevor Williams | Horwich | Sportcity | 1 Dec 19 | |
| 46 | 40.81 | | | 40.81 | PB | Justine Smith | U17 | -6 | | Sutton & District | Kingston | 8 Jun 19 | |
| 46 | 40.81 | | | 40.81 | PB | Naomi Palmer | U17 | -7 | Jane Dixon | Shaftesbury Barnet | Hendon | 16 Jun 19 | |
| 46 | 40.81 | | | 40.81 | PB | Layla Zuill | U17 | -7 | Steven Doig | Fife | Scotstoun | 16 Jun 19 | |
| 49 | 40.82 | | | 40.82 | PB | Chloë Sumner | U17 | -7 | | Invicta East Kent | Ashford | 12 May 19 | |
| 49 | 40.82 | i | | 40.66 | | Charlotte Stamp | U23 | -2 | Geoffrey Barraclough | City of York | Sheffield | 7 Dec 19 | |
| 51 | 40.89 | | | 40.89 | PB | Darcey Kuypers | U23 | -2 | Linford Christie | Medway & Maidstone | Eton | 7 Apr 19 | |
| 51 | 40.89 | | | 40.89 | PB | Ophelia Pye | U15 | -9 | David Hemery | Marlborough Athletics | Birmingham | 13 Jul 19 | |
| 53 | 40.9 | | | 41.95/40.9 | PB | Uche Okpalauko | U15 | -8 | Darren Priestley | Havering | Chelmsford | 6 Jul 19 | |
| 42.05 | | | | | | | | | | Chelmsford | 11 May 19 | |
| 54 | 40.92 | | | 40.92 | PB | Jessica Lister | U17 | -7 | David Buckett | Crawley | Crawley | 10 Jul 19 | |
| 55 | 40.93 | | | 40.93 | PB | Tamsin Fowlie | U15 | -8 | Scott Hamilton | Elgin | Grangemouth | 18 Aug 19 | |
| 56 | 40.97 | | | 40.84/40.7 | | Sacha Didcote | U17 | -7 | Philip Jones | Colwyn Bay | Cardiff | 6 Jul 19 | |
| 57 | 41.00 | | | 41.00 | PB | Lily Bailey | U15 | -8 | Jonathan Jackson | Bristol & West | Exeter | 15 Jun 19 | |
| 58 | 41.0 | | | 40.13i/40.0 | | Gemma Jones | U20 | -6 | Bill Boyd | Corby | Corby | 26 Mar 19 | |
| 58 | 41.0 | | | 39.69 | | Poppy Malik | U17 | -7 | Grant Barker | Notts | Rugby | 26 May 19 | |
| 41.61 | | | | | | | | | | Birmingham | 15 Jun 19 | |
| 58 | 41.0 | | | 41.35i/41.0 | PB | Lily Parris | U17 | -7 | Sarah Stark | Chelmsford | Chelmsford | 2 Jun 19 | |
| 41.35 | i | | | | | | | | | Lee Valley | 3 Feb 19 | |
| 42.49 | | | | | | | | | | Grays | 15 Sep 19 | |
| 58 | 41.0 | | | 38.74 | | Serena Grace | U17 | -7 | Michael Utting | City of Norwich | Peterborough | 4 Aug 19 | |
| 43.12 | | | | | | | | | | Lee Valley | 6 Apr 19 | |
| 62 | 41.01 | i | | 41.01i | PB | Georgia Morrison | U20 | -5 | Kenny Morrison | Aberdeen | Emirates Arena | 7 Feb 19 | |
| 42.94 | | | | | | | | | | Crownpoint | 29 May 19 | |
| 63 | 41.03 | | | 41.03 | PB | Isabel White | U15 | -8 | Lee Walker | Longwood | Birmingham | 13 Jul 19 | |
| 64 | 41.06 | | | 41.06 | PB | Bea Green | U20 | -6 | Martin Cook | Ipswich | Birmingham | 19 Jun 19 | |
| 65 | 41.09 | | | 40.55 | | Angelique Abberley | U15 | -9 | | Rotherham | Sheffield | 20 Jul 19 | |
| 66 | 41.1 | | | 40.23 | | Olivia Boachie | U15 | -9 | | Havering | Chelmsford | 6 Jul 19 | |
| 41.24 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 67 | 41.18 | | | 40.40 | | Amber Clare | U20 | -5 | | Basingstoke & Mid Hants | Basingstoke | 6 Apr 19 | |
| 67 | 41.18 | i | | 41.18i | PB | Becky Quirke | U23 | -2 | Martin Cook | Worthing | Sheffield | 7 Dec 19 | |
| 69 | 41.2 | | | 41.43/41.2 | PB | Kianna Proctor | U17 | -8 | Andy Bibby | Preston | Sportcity | 26 May 19 | |
| 41.90 | | | | | | | | | | Liverpool | 17 Aug 19 | |
| 69 | 41.2 | | | 41.58i/41.2 | PB | Mali Grant | U17 | -8 | | Havering | Chelmsford | 2 Jun 19 | |
| 41.58 | i | | | | | | | | | Lee Valley | 3 Feb 19 | |
| 41.79 | | | | | | | | | | Bromley | 28 Jul 19 | |
| 71 | 41.21 | i | | 41.21i | PB | Heather Carson | | 2 | Martin Cook | Sheffield & Dearne | Sheffield | 25 Mar 19 | |
| 71 | 41.21 | | | 41.21 | PB | Silver Nwabuzor | U15 | -8 | | Glasgow Sch of Sport | Grangemouth | 10 Aug 19 | |
| 73 | 41.22 | | | 41.22 | PB | Holly Kirkwood | U15 | -8 | John Wilson | Victoria Park City of Glasgow | Gothenburg, SWE | 30 Jun 19 | |
| 74 | 41.23 | | | 41.23 | PB | Erin Bracknell | U17 | -8 | David Buckett | Crawley | Chelmsford | 21 Jul 19 | |
| 75 | 41.25 | | | 41.25 | PB | Ava Taperell | U17 | -7 | Kevin Flannery | Gateshead | Middlesbrough | 12 May 19 | |
| 76 | 41.26 | i | | 41.26i | PB | Erin Minton-Branfoot | U23 | -2 | Sarah Stark | Chelmsford | Sheffield | 7 Dec 19 | |
| 77 | 41.28 | | | 41.28 | PB | Chloe Kornevall | U17 | -7 | David Leach | Lewes | Crawley | 26 Aug 19 | |
| 78 | 41.29 | | | 41.29 | PB | Laure Kidukula | U17 | -7 | Vicente Modahl | Sale Harriers Manchester | Leigh | 11 May 19 | |
| 78 | 41.29 | | | 41.29 | PB | Millie Wright | U17 | -7 | Craig Castley | Barnsley AC | Middlesbrough | 7 Jul 19 | |
| 80 | 41.30 | | | 41.30 | PB | Megan Hamilton-Strong | U17 | -7 | Richard Derrick | Exeter | Exeter | 15 Jun 19 | |
| 81 | 41.3 | | | 41.33/40.7 | | Annie Testar | U20 | -6 | Christopher Brown | Stroud | Stourport | 7 Apr 19 | |
| 42.08 | i | | | | | | | | | Cardiff | 8 Dec 19 | |
| 81 | 41.3 | | | 41.36/41.3 | PB | Sophie Anderson | U17 | -7 | Colin Corless | Southend | Chelmsford | 6 Jul 19 | |
| 41.36 | | | | | | | | | | Cambridge | 30 Jun 19 | |
| 81 | 41.3 | | | 41.17 | | Amarisa Sibley | U15 | -9 | Phillip Kissi | Blackheath & Bromley | Gillingham | 4 Aug 19 | |
| 41.57 | | | | | | | | | | Bromley | 3 Jun 19 | |
| 81 | 41.3 | | | 42.00/41.3 | PB | Ayomide Cole | U15 | -9 | | Basingstoke & Mid Hants | Guildford | 11 Aug 19 | |
| 42.23 | | | | | | | | | | Basingstoke | 8 Sep 19 | |
| 85 | 41.32 | i | | 40.67 | | Iona McDonald | U20 | -5 | | Livingston | Emirates Arena | 7 Feb 19 | |
| 86 | 41.33 | | | 40.43 | | Katie Evans | U15 | -9 | Dean Exton | Dorchester | Exeter | 4 Aug 19 | |
| 87 | 41.34 | | | 41.34 | PB | Teniola Fajuke | U15 | -8 | Alf Vickers | Victoria Park & Tower Hamlets | Mile End | 20 Jul 19 | |
| 88 | 41.37 | i | | 41.33 | | Isla Innes | U20 | -6 | | Edinburgh AC | Emirates Arena | 7 Feb 19 | |
| 89 | 41.40 | i | | 40.80 | | Melissa Coxon | U17 | -6 | Veronica Boden | Rotherham | Sheffield | 23 Feb 19 | |
| 89 | 41.40 | | | 41.40 | PB | Ela Oliver | U17 | -7 | Barry Edwards | Menai | Cardiff | 6 Jul 19 | |
| 91 | 41.4 | | | 40.06 | | Elizabeth Taylor | U17 | -8 | Andy Barber | Peterborough | Cambridge | 11 May 19 | |
| 41.76 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 91 | 41.4 | | | 41.4 | PB | Mia Smith | U17 | -8 | Courtney Clarke | Hillingdon | Guildford | 11 Aug 19 | |
| 93 | 41.43 | | | 41.43 | PB | Jenna Hilditch | U15 | -10 | Moira Jordan | Victoria Park City of Glasgow | Bedford | 1 Sep 19 | |
| 94 | 41.45 | i | | 41.45i | PB | Katie Burr | U17 | -7 | David Watson | Victoria Park City of Glasgow | Emirates Arena | 7 Feb 19 | |
| 94 | 41.45 | | | 41.45 | PB | Katie Sakaria | U15 | -9 | Sue Goode | Guildford & Godalming | Kingston | 12 May 19 | |
| 96 | 41.50 | | | 41.50 | PB | Emma Barclay | U17 | -6 | | Elgin | Grangemouth | 8 Jun 19 | |
| 96 | 41.50 | | | 40.81i | | Aislynn Crichton | U17 | -7 | Paul Allan | Fife | Sportcity | 8 Sep 19 | |
| 98 | 41.5 | | | 41.5 | PB | Tiya Canning Lawrence | U15 | -10 | Alan James | Woodford Green Essex Ladies | Portsmouth | 14 May 19 | |
| 98 | 41.5 | | | 41.67i/41.5 | PB | Ariyanna McGee | U17 | -8 | Vespa Ellis | Basildon | Ware | 7 Jul 19 | |
| 41.68 | | | | | | | | | | Eltham | 26 May 19 | |
| 98 | 41.5 | | | 41.55/41.5 | PB | Ella Fryer | U17 | -8 | | St. Mary's Richmond | Croydon | 28 Jul 19 | |
| 41.55 | | | | | | | | | | Lee Valley | 11 May 19 | |
| 98 | 41.5 | | | 41.57/41.5 | PB | Imogen Wilson | U15 | -10 | Ken Spencer | Maidenhead | Eton | 14 Sep 19 | |
| 41.92 | | | | | | | | | | Reading | 8 Jun 19 | |
| 102 | 41.51 | | | 41.51 | PB | Harriet Tuson | U17 | -6 | Darren Gauson | Yeovil | Yeovil | 22 Apr 19 | |
| 103 | 41.52 | | | 41.40i | | Teresa Iannetelli | U23 | -3 | Howard Moscrop | Swindon | Swindon | 24 Mar 19 | |
| 103 | 41.52 | | | 41.04 | | Shakanya Osahon | U17 | -7 | Jay Galley | Blackheath & Bromley | Bromley | 3 Jun 19 | |
| 105 | 41.57 | | | 41.57 | PB | Jamie Bulbring | U17 | -7 | Tammie Ryder | Tavistock | Exeter | 25 Jun 19 | |
| 106 | 41.58 | | | 40.98i | | Acacia Williams-Hewitt | U17 | -7 | Paul Ttereve | Hallamshire | Hull | 26 May 19 | |
| 107 | 41.60 | | | 41.60 | PB | Scarlett Rolls | U17 | -8 | Vespa Ellis | Basildon | Chelmsford | 11 May 19 | |
| 107 | 41.60 | | | 40.35 | | Favour Joseph | U15 | -10 | Anita Richardson | Sale Harriers Manchester | Sportcity | 7 Sep 19 | |
| 109 | 41.6 | | | 41.62/41.6 | PB | Lara Battersby | U15 | -8 | | West Cheshire | Bebington | 22 Jun 19 | |
| 41.62 | | | | | | | | | | Liverpool | 18 May 19 | |
| 110 | 41.62 | | | 41.62 | PB | Cameron Kelly-Gordon | U15 | -9 | | Blackheath & Bromley | Bromley | 3 Jun 19 | |
| 111 | 41.64 | i | | 40.53 | | Olivia Kimbowa | U20 | -5 | Les Hall | Bolton | Sportcity | 15 Dec 19 | |
| 112 | 41.65 | | | 41.65 | PB | Kia-Licia Clarkson | U17 | -8 | | Sale Harriers Manchester | Liverpool | 17 Aug 19 | |
| 113 | 41.66 | | | 41.14 | | Elsa Thompson | U15 | -9 | Robert Hadfield | Kingston upon Hull | Liverpool | 18 Aug 19 | |
| 114 | 41.67 | | | 41.67 | PB | Breanna Selley | U17 | -8 | | Unattached | Treviglio, ITA | 3 Apr 19 | |
| 114 | 41.67 | | | 41.42 | | Lucy Wintle | U15 | -10 | | Pembrokeshire | Cardiff | 14 Jul 19 | |
| 116 | 41.68 | i | | 41.68i | PB | Leah Keisler | U17 | -7 | Michael Love | Law | Emirates Arena | 5 Jan 19 | |
| 42.63 | | | | | | | | | | Scotstoun | 16 Jun 19 | |
| 117 | 41.70 | | | 41.70 | PB | Katherine McKenzie | U17 | -8 | John Wildman | Woodford Green Essex Ladies | Woodford | 30 Jun 19 | |
| 118 | 41.7 | | | 41.92/41.4 | | Abbie Lovering | U17 | -7 | Paul G Hine | Wimborne | Bournemouth | 11 May 19 | |
| 42.52 | | | | | | | | | | Exeter | 21 Jul 19 | |
| 119 | 41.71 | | | 41.56i | | Gemma Bruce | U17 | -6 | | Ayr Seaforth | Grangemouth | 8 Jun 19 | |
| 119 | 41.71 | | | 41.48 | | Fatoumatta Bojang | U15 | -8 | Jonathan Moss | West Cheshire | Birmingham | 15 Jun 19 | |
| 121 | 41.72 | | | 41.72 | PB | Eleanor Rayner | U15 | -8 | | Wakefield | York | 22 Sep 19 | |
| 122 | 41.74 | | | 41.74 | PB | Hannahlise Bolt | U17 | -7 | | Barry & Vale | Cardiff | 6 Jul 19 | |
| 122 | 41.74 | i | | 41.74i | PB | Ash Colvin | U23 | -2 | Donald Moss | Wigan & District | Sportcity | 15 Dec 19 | |
| 124 | 41.76 | | | 41.76 | PB | Imogen Wilson | U15 | -10 | | Chester-le-Street | Birmingham | 12 Jul 19 | |
| 124 | 41.76 | | | 41.76 | PB | Sophia Davila | U17 | -7 | Everton Caines | Solihull & Small Heath | Birmingham | 12 Jul 19 | |
| 126 | 41.79 | | | 41.79 | PB | Abigail Phillips | U15 | -9 | Zac Kerin | Bournemouth | Exeter | 21 Jul 19 | |
| 127 | 41.8 | | | 41.92/41.8 | PB | Emily Lands | U17 | -7 | Mike Swift | Newton Abbot | Yeovil | 5 May 19 | |
| 41.92 | | | | | | | | | | Exeter | 2 Jun 19 | |
| 127 | 41.8 | | | 42.19/41.8 | PB | Chloe Griffith-Mcgeever | U17 | -7 | Barry Edwards | Menai | Sportcity | 26 May 19 | |
| 42.19 | | | | | | | | | | Wrexham | 11 May 19 | |
| 127 | 41.8 | | | 42.13/41.8 | PB | Jessica Starling | U17 | -8 | Brian Darby | Coventry | Banbury | 16 Jun 19 | |
| 42.13 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 127 | 41.8 | | | 41.8 | PB | Ella Greenway | U15 | -9 | Joanna Evans | Cleethorpes | Cleckheaton | 23 Jun 19 | |
| 131 | 41.83 | i | | 38.87 | | Catherine Reid | U23 | -2 | Glyn Hawkes | Manx | Sportcity | 15 Dec 19 | |
| 132 | 41.86 | | | 41.86 | PB | Stella Perrett | U20 | -5 | Chris Mole | North Shields Poly | Jarrow | 24 Apr 19 | |
| 132 | 41.86 | | | 41.86 | PB | Alice Geoghegan | U15 | -8 | | Morpeth | Middlesbrough | 12 May 19 | |
| 132 | 41.86 | | | 40.99i | | Rachel Callan | U17 | -7 | | Giffnock North | Carlisle | 26 May 19 | |
| 135 | 41.87 | | | 41.87 | PB | Amelia Spry | U17 | -6 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 135 | 41.87 | | | 41.87 | PB | Zoe Dake | U17 | -7 | Paul Weston | Croydon | Kingston | 8 Jun 19 | |
| 137 | 41.90 | | | 41.08 | | Jodie Martin | U17 | -6 | Bob Schofield | Kingston upon Hull | Middlesbrough | 7 Jul 19 | |
| 138 | 41.9 | | | 41.9 | PB | Olivia Leigh | U17 | -7 | Katie Hewison | Chorley ATC | Preston | 1 Jun 19 | |
| 138 | 41.9 | | | 41.9 | PB | Ava Lloyd | U15 | -9 | Trevor Painter | Wigan & District | Stretford | 22 Jun 19 | |
| 138 | 41.9 | | | 42.63i/41.8 | | Alissa Darbyshire | U17 | -7 | Peter Crook | Preston | Wigan | 30 Jun 19 | |
| 42.63 | i | | | | | | | | | Sportcity | 15 Dec 19 | |
| 138 | 41.9 | | | 41.91/41.7 | | Sophie Forbes-Laird | U15 | -9 | James Webster | Shaftesbury Barnet | Stevenage | 7 Jul 19 | |
| 42.69 | i | | | | | | | | | Lee Valley | 3 Feb 19 | |
| 42.72 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 142 | 41.93 | | | 41.93 | PB | Katie Johnson | U15 | -9 | | Edinburgh AC | Grangemouth | 11 May 19 | |
| 143 | 41.95 | | | 41.95 | PB | Amber Dunkley-Darby | U17 | -6 | | Birchfield H | Sportcity | 8 Sep 19 | |
| 143 | 41.95 | i | | 39.29 | | Grace Pritchard | U17 | -9 | Donald Moss | Wigan & District | Sportcity | 15 Dec 19 | |
| 145 | 41.98 | | | 40.90 | | Heather Macdonald | U17 | -6 | Daniel Njai-Rowney | Blyth | Middlesbrough | 12 May 19 | |
| 146 | 42.0 | | | 42.57/42.0 | PB | Abigael Bamber | U17 | -8 | Michael Dandy | Southport Waterloo | Blackpool | 8 Jun 19 | |
| 42.57 | | | | | | | | | | Liverpool | 17 Aug 19 | |
| 146 | 42.0 | | | 41.3 | | Amelia Verney | U17 | -7 | Zac Kerin | Bournemouth | Bournemouth | 9 Jun 19 | |
| 146 | 42.0 | | | 43.31i/42.0 | PB | Olivia Allbut | U20 | -5 | Karen Le Mottee | Shaftesbury Barnet | St. Clement | 25 Jun 19 | |
| 146 | 42.0 | | | 42.89/42.0 | PB | Sophie Cowey | U15 | -8 | | City of Salisbury | Winchester | 7 Jul 19 | |
| 42.89 | | | | | | | | | | Swindon | 8 Jun 19 | |
| 150 | 42.02 | | | 42.02 | PB | Lindsey Young | | 2 | Frank Gauld | Banchory Stonehaven | Crownpoint | 29 May 19 | |
| 151 | 42.04 | | | 42.04 | PB | Sadie Blake | U15 | -9 | Ann Hayter | City of Portsmouth | Portsmouth | 11 May 19 | |
| 152 | 42.09 | | | 42.09 | PB | Niamh Grahame | U23 | -1 | | Giffnock North | Crownpoint | 29 May 19 | |
| 153 | 42.10 | | | 42.10 | PB | Isabella Merritt | U15 | -9 | Andy Townsend | Horwich | Stretford | 8 Jun 19 | |
| 154 | 42.1 | | | 42.1 | PB | Esther Wilding | U15 | -9 | | Crewe & Nantwich | Warrington | 11 May 19 | |
| 154 | 42.1 | | | 42.88/42.1 | PB | Marina Semple | U17 | -8 | | Radley | Horspath | 9 Jun 19 | |
| 42.88 | | | | | | | | | | Birmingham | 12 Jul 19 | |
| 154 | 42.1 | | | 42.12/42.1 | PB | Laura Anene | U15 | -8 | Daniel Hooker | Hillingdon | Guildford | 11 Aug 19 | |
| 42.12 | | | | | | | | | | Bedford | 31 Aug 19 | |
| 157 | 42.11 | | | 42.11 | PB | Poppy Herbert | U17 | -7 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 158 | 42.12 | | | 42.12 | PB | Nieve Robinson | U15 | -10 | Margaret Galvin | Leigh | Liverpool | 18 Aug 19 | |
| 159 | 42.14 | | | 42.14/41.8 | PB | Maddison Sawyer | U17 | -7 | Mike Botha | Invicta East Kent | Ashford | 12 May 19 | |
| 159 | 42.14 | | | 42.14 | PB | Lois Creasey | U15 | -9 | David Howells | Middlesbrough (Mandale) | Middlesbrough | 12 May 19 | |
| 159 | 42.14 | i | | 40.15 | | Lucy Elcock | U20 | -5 | | Telford AC | Cardiff | 8 Dec 19 | |
| 162 | 42.15 | i | | 42.15i | PB | Louise Royston | | 5 | Mark Goldie | Halifax | Sportcity | 10 Mar 19 | |
| 162 | 42.15 | | | 42.15 | PB | Mia Keogh | U17 | -7 | Keith Geddes | Aberdeen | Inverness | 30 May 19 | |
| 164 | 42.18 | | | 42.18 | PB | Sian Popham | U15 | -9 | Andrew Kennard | Walton | Cardiff | 14 Jul 19 | |
| 164 | 42.18 | i | | 42.18i | PB | Gabi Burton | | 1 | Geoffrey Barraclough | City of York | Sheffield | 7 Dec 19 | |
| 166 | 42.19 | | | 42.19 | PB | Lucy Fraser | U17 | -7 | Alan Erickson | Perth Strathtay | Grangemouth | 11 May 19 | |
| 167 | 42.20 | | | 40.77 | | Monica Davidson | U15 | -10 | Brian Darby | Coventry | Birmingham | 12 Jul 19 | |
| 168 | 42.2 | | | 42.26/42.2 | PB | Gabriella Thoburn | U15 | -9 | Grant Brown | South London | Ashford | 20 Jun 19 | |
| 43.24 | | | | | | | | | | Wimbledon | 7 Apr 19 | |
| 168 | 42.2 | | | 39.53 | | Stephanie Okoro | U15 | -10 | Susan Deane | Havering | Braintree | 7 Jul 19 | |
| 168 | 42.2 | | | 43.20/42.2 | PB | Charlotte Wormley | U15 | -9 | Vince Golding | Crawley | Guildford | 20 Jul 19 | |
| 43.20 | | | | | | | | | | Crawley | 7 Apr 19 | |
| 171 | 42.22 | | | 41.94i | | Emma Fisher | U15 | -10 | Andrew Kennard | Walton | Kingston | 12 May 19 | |
| 171 | 42.22 | | | 41.58 | | Katie Dinwoodie | U17 | -7 | Louise Jamieson | Shetland | Lerwick | 16 Jun 19 | |
| 173 | 42.23 | | | 40.95 | | Emily Bowart | U17 | -8 | Iain Presnell | Tonbridge | Ashford | 12 May 19 | |
| 174 | 42.24 | | | 42.24 | PB | Mia O'Hara | U17 | -7 | Paul McKeown | Crawley | Bromley | 28 Jul 19 | |
| 175 | 42.25 | i | | 40.81i | | Eleanor Rawson | U23 | -1 | Martin Cook | Sheffield & Dearne | Sheffield | 7 Dec 19 | |
| 176 | 42.26 | | | 42.26 | PB | Maisy Heggie | U15 | -10 | | Rotherham | Shefield | 25 May 19 | |
| 177 | 42.27 | i | | 40.66 | | Emmanuella Quaye | U17 | -9 | Darren Braithwaite | Enfield & Haringey | Lee Valley | 1 Dec 19 | |
| 178 | 42.29 | | | 42.29 | PB | Lucy Hunt | U17 | -7 | | Jersey | Portsmouth | 11 May 19 | |
| 179 | 42.30 | i | | 42.30i | PB | Jessica Waters | U20 | -4 | | Sutton-in-Ashfield | Sheffield | 24 Nov 19 | |
| 180 | 42.3 | | | 42.83/42.3 | PB | Natasha Cookson | U17 | -7 | Christopher Wakeford | Sedbergh | Whitehaven | 8 Jun 19 | |
| 42.83 | | | | | | | | | | Gateshead | 15 Jun 19 | |
| 180 | 42.3 | | | 42.35i/42.3 | PB | Hermione Mason | U15 | -9 | David Lowe | Sale Harriers Manchester | Preston | 20 Jul 19 | |
| 42.83 | | | | | | | | | | Sportcity | 7 Sep 19 | |
| 180 | 42.3 | | | 42.40/42.3 | PB | Olivia James | U17 | -8 | Richard Jackson | Camberley | Aldershot | 3 Aug 19 | |
| 42.43 | | | | | | | | | | Basingstoke | 6 Apr 19 | |
| 180 | 42.3 | | | 42.3 | PB | Abigail Ives | U17 | -8 | Richard Bullis | Basildon | Norwich | 11 Aug 19 | |
| 180 | 42.3 | | | 41.89 | | Liana Williams | U15 | -9 | Lesley Pearson | Windsor Slough Eton & Hounslow | Eton | 14 Sep 19 | |
| 185 | 42.31 | i | | 41.84 | | Imogen Lewis | U17 | -7 | Linda Nicholson | Lasswade | Emirates Arena | 7 Feb 19 | |
| 42.64 | | | | | | | | | | Grangemouth | 11 May 19 | |
| 185 | 42.31 | | | 42.21/42.2 | | Lucy Atkins | U17 | -7 | Richard Holt | Kingston & Poly | Kingston | 11 May 19 | |
| 185 | 42.31 | | | 42.31 | PB | Bronwyn Mooney | U17 | -8 | | Sheffield & Dearne | Doncaster | 6 Jul 19 | |
| 185 | 42.31 | | | 42.31 | PB | Evie Watkins | U15 | -9 | Arwyn Davies | Cardiff | Aberdare | 4 Aug 19 | |
| 189 | 42.32 | i | | 41.97 | | Jessica Sheppard | U20 | -4 | Michael Sheppard | Stratford-upon-Avon | Sheffield | 7 Dec 19 | |
| 190 | 42.34 | i | | 42.34i/42.2 | PB | Lucy Giles | U17 | -7 | Alex Giles | Gateshead | Emirates Arena | 26 Jan 19 | |
| 42.53 | | | | | | | | | | Middlesbrough | 12 May 19 | |
| 191 | 42.35 | | | 42.35 | PB | Funmi Adewole | U17 | -8 | | BFT Track Academy | Parliament Hill | 23 Jun 19 | |
| 192 | 42.36 | i | | 38.59i | | Callia Downey | U15 | -10 | TJ Ossai | BFT Track Academy | Lee Valley | 1 Dec 19 | |
| 193 | 42.38 | i | | 40.52 | | Michelvi Wamba | U15 | -9 | Alf Vickers | Victoria Park & Tower Hamlets | Lee Valley | 6 Jan 19 | |
| 193 | 42.38 | | | 42.38 | PB | Olivia Brown | U15 | -9 | Norman Poole | Sale Harriers Manchester | Stretford | 27 May 19 | |
| 195 | 42.4 | | | 42.71i/42.4 | PB | Eve Garry | U15 | -9 | Alan Erickson | Perth Strathtay | Perth | 5 May 19 | |
| 42.71 | i | | | | | | | | | Emirates Arena | 27 Jan 19 | |
| 195 | 42.4 | | | 42.58/42.4 | PB | Princess Asemota | U15 | -9 | | Medway & Maidstone | Erith | 18 May 19 | |
| 195 | 42.4 | | | 42.63/42.4 | PB | Arantxa Middleton | U15 | -9 | Gordon Densley | Tamworth | Tamworth | 23 Jun 19 | |
| 42.63 | | | | | | | | | | Birmingham (U) | 3 Jul 19 | |
| 195 | 42.4 | | | 43.99/42.4 | PB | Lottie Hinson | U17 | -6 | | Basildon | Ware | 7 Jul 19 | |
| 43.99 | | | | | | | | | | Eltham | 26 May 19 | |
| 199 | 42.41 | | | 42.06 | | Eve Denholm | U20 | -5 | Ryan McAllister | Giffnock North | Crownpoint | 29 May 19 | |
| 199 | 42.41 | i | | 41.91 | | Rebecca Roots | U23 | -3 | David Norton | Torbay | Cardiff | 8 Dec 19 | |
| 201 | 42.44 | | | 42.44 | PB | Isobel Geere | U15 | -8 | | Stevenage & North Herts | Watford | 11 May 19 | |
| 201 | 42.44 | | | 40.61 | | Annie Bell | U17 | -7 | | Border | Middlesbrough | 7 Jul 19 | |
| 201 | 42.44 | i | | 42.44i | PB | Megan Ashelby | | 1 | John Henson | Stockport | Sheffield | 7 Dec 19 | |
| 204 | 42.45 | | | 42.45 | PB | Ellie Loweth | U17 | -8 | | Carmarthen | Cardiff | 6 Jul 19 | |
| 205 | 42.46 | | | 42.46 | PB | Poppy Walters | U17 | -7 | | Woking | Bracknell | 30 Mar 19 | |
| 205 | 42.46 | | | 42.44 | | Rebekah O'Brien | U17 | -6 | | Tonbridge | Tonbridge | 22 Apr 19 | |
| 205 | 42.46 | | | 41.08/40.8 | | Mali Heard | U15 | -9 | Justin Jordan-Davis | City of Plymouth | Exeter | 4 Aug 19 | |
| 205 | 42.46 | | | 41.61 | | Alice Brown | U17 | -7 | Tony Benton | Havering | Grays | 15 Sep 19 | |
| 209 | 42.5 | | | 41.98 | | Angelica Oparinde | U17 | -7 | | Derby | Tipton | 5 May 19 | |
| 42.77 | | | | | | | | | | Derby | 12 May 19 | |
| 209 | 42.5 | | | 43.36/42.5 | PB | Faith Mpassy | U15 | -10 | Jay Galley | Blackheath & Bromley | Reading | 23 Jun 19 | |
| 43.36 | | | | | | | | | | Bromley | 3 Jun 19 | |
| 209 | 42.5 | | | 44.24/42.5 | PB | Nadine Starling | U17 | -7 | Brian Darby | Coventry | Coventry | 3 Jul 19 | |
| 209 | 42.5 | | | 43.17/42.5 | PB | Orla Edwards | U15 | -9 | Richard Edwards | Crawley | Crawley | 25 Jul 19 | |
| 43.90 | | | | | | | | | | Crawley | 8 Jun 19 | |
| 213 | 42.51 | i | | 42.51i/42.5 | PB | Olivia Ashdown | U17 | -7 | Joe Frost | Stockport | Sheffield | 23 Feb 19 | |
| 43.4 | | | | | | | | | | Warrington | 11 Aug 19 | |
| 43.59 | | | | | | | | | | Loughborough | 6 Apr 19 | |
| 214 | 42.52 | | | 42.52 | PB | Charlotte Morris | U15 | -8 | Marcia Marriott | Oxford City | Horspath | 17 Jul 19 | |
| 215 | 42.55 | i | | 42.55i | PB | Evie Greig | U15 | -9 | John Wilson | Victoria Park City of Glasgow | Emirates Arena | 12 Jan 19 | |
| 42.66 | | | | | | | | | | Crownpoint | 29 May 19 | |
| 216 | 42.57 | | | 41.78 | | Nneka Okoh | U15 | -9 | Sarah Stark | Chelmsford | Chelmsford | 8 Jun 19 | |
| 217 | 42.58 | | | 41.57 | | Molly Swingler | U17 | -7 | Christopher Voice | Eastbourne | Crawley | 11 May 19 | |
| 217 | 42.58 | | | 42.54i | | Hannah Stone | U17 | -8 | Catherine Breslin | Bracknell AC | Reading | 12 May 19 | |
| 217 | 42.58 | | | 42.58 | PB | Lydia Edwards | U17 | -7 | | St. Albans AC | Chelmsford | 21 Jul 19 | |
| 220 | 42.59 | i | | 41.98i | | Sophie Slider | U17 | -7 | Ricky Taylor | Ayr Seaforth | Emirates Arena | 26 Jan 19 | |
| 43.18 | | | | | | | | | | Grangemouth | 8 Jun 19 | |
| 220 | 42.59 | | | 42.59 | PB | Kate Howard | U17 | -8 | | Westbury | Cardiff | 30 Jun 19 | |
| 220 | 42.59 | | | 42.47 | | Alaw Evans | U17 | -6 | Francis Baker | Cardiff Archers | Cardiff | 6 Jul 19 | |
| 223 | 42.60 | | | 42.60/42.5 | PB | Amy Dove | U17 | -6 | Alan Driver | Camberley | Kingston | 8 Jun 19 | |
| 223 | 42.60 | | | 42.60 | PB | Abi Greenslade | U17 | -8 | | Exeter | Exeter | 15 Jun 19 | |
| 225 | 42.6 | | | 42.49/41.9 | | Alicja Gawronski | U17 | -8 | | Nene Valley | Cambridge | 11 May 19 | |
| 225 | 42.6 | | | 42.30/41.9 | | Christina Kirkby | U15 | -10 | Virginia Mitchell | Guildford & Godalming | Brighton | 23 Jun 19 | |
| 43.96 | | | | | | | | | | Kingston | 12 May 19 | |
| 227 | 42.61 | | | 42.61 | PB | Holly Fowler | U17 | -7 | Stephen Humberstone | Hallamshire | Cudworth | 11 May 19 | |
| 227 | 42.61 | | | 42.56 | | Lucy Kirby | U17 | -8 | Trevor Simcox | Brighton & Hove | Crawley | 10 Jul 19 | |
| 229 | 42.63 | | | 41.64 | | Abigail Rickard | U15 | -9 | Sharon Morris | Birchfield H | Birmingham | 15 Jun 19 | |
| 229 | 42.63 | | | 42.63 | PB | Shanice Ighalo | U15 | -9 | Kevin Smith | Northampton | Birmingham | 15 Jun 19 | |
| 229 | 42.63 | i | | 42.63i | PB | Karen Mayindu | U17 | -7 | TJ Ossai | BFT Track Academy | Lee Valley | 1 Dec 19 | |
| 232 | 42.64 | | | 42.64/42.6 | PB | Millie French-Harling | U17 | -8 | Lee Walker | Sheffield & Dearne | Liverpool | 17 Aug 19 | |
| 233 | 42.65 | i | | 42.26 | | Sophia Deans | U15 | -8 | Sharon Morris | Birchfield H | Birmingham | 17 Feb 19 | |
| 42.70 | | | | | | | | | | Sportcity | 7 Sep 19 | |
| 233 | 42.65 | | | 41.21i | | Seren Rodgers | U15 | -9 | Steve Shaw | Taunton | Braunton | 9 Jun 19 | |
| 235 | 42.66 | | | 42.66 | PB | Lea Reyna-Faria | U17 | -7 | Ty Holden | Shaftesbury Barnet | Grays | 15 Sep 19 | |
| 236 | 42.67 | | | 42.67 | PB | Bathsheba Kayley | U17 | -6 | | Cheltenham | Exeter | 15 Jun 19 | |
| 236 | 42.67 | i | | 42.67i | PB | Erin Ramsay | U15 | -9 | | Giffnock North | Emirates Arena | 27 Oct 19 | |
| 43.70 | | | | | | | | | | Kilmarnock | 14 Apr 19 | |
| 238 | 42.68 | | | 42.68 | PB | Aela Stewart | U17 | -6 | Sean Laverty | City of Derry | Antrim | 10 Aug 19 | |
| 238 | 42.68 | i | | 41.38 | | Emily Read | U20 | -5 | Martin Cook | Woking | Sheffield | 7 Dec 19 | |
| 240 | 42.69 | | | 42.69 | PB | Indea Adams-Burnett | U23 | -1 | Jane Dixon | Shaftesbury Barnet | Stratford | 11 Aug 19 | |
| 241 | 42.70 | | | 42.17 | | Georgia Tombs | U17 | -7 | | Chelmsford | Chelmsford | 11 May 19 | |
| 242 | 42.7 | | | 41.60 | | Leah Proctor | U17 | -7 | | Chesterfield | Spinkhill | 5 May 19 | |
| 42.75 | | | | | | | | | | Middlesbrough | 7 Jul 19 | |
| 242 | 42.7 | | | 42.35i | | Lydia Morris | U17 | -7 | Martin Bullock | Manx | Blackpool | 11 May 19 | |
| 242 | 42.7 | | | 42.72/42.7 | PB | Chloe Jardine | U15 | -8 | John Gates | Bexley | Erith | 18 May 19 | |
| 42.72 | | | | | | | | | | Woodford | 27 Apr 19 | |
| 242 | 42.7 | | | 44.22/42.7 | PB | Stella Whitlum | U15 | -8 | Mike Dunphy | Dacorum | Hemel Hempstead | 2 Jun 19 | |
| 242 | 42.7 | | | 42.89/42.7 | PB | Amelia Proctor | U17 | -8 | | Kingston upon Hull | Scunthorpe | 30 Jun 19 | |
| 42.89 | | | | | | | | | | Middlesbrough | 7 Jul 19 | |
| 242 | 42.7 | | | 43.16/42.7 | PB | Evie Turner | U15 | -9 | Graham Howell | Westbury | Yate | 11 Aug 19 | |
| 43.16 | | | | | | | | | | Yate | 4 Sep 19 | |
| 248 | 42.71 | | | 42.71 | PB | Chyna Stewart | U17 | -8 | | Herne Hill | Perivale | 26 May 19 | |
| 249 | 42.73 | | | 41.98 | | Niamh Edgar | U17 | -6 | | Edinburgh AC | Grangemouth | 11 May 19 | |
| 249 | 42.73 | | | 42.70i | | Kelsey Pullin | U17 | -8 | Jay Galley | Blackheath & Bromley | Ashford | 12 May 19 | |
| 249 | 42.73 | | | 42.69 | | Emily McNicol | U23 | -3 | Edward McQuillan | Law | Crownpoint | 29 May 19 | |
| 249 | 42.73 | | | 42.30i | | Caroline MacConnell | U17 | -8 | | Giffnock North | Gothenburg, SWE | 30 Jun 19 | |
| 253 | 42.74 | | | 42.74/42.5 | PB | Raegan Sellers | U15 | -9 | | Banbury | Horspath | 7 Sep 19 | |
| 254 | 42.75 | i | | 42.20/41.2 | | Zakia Mossi | U17 | -7 | Phillip Kissi | Blackheath & Bromley | Lee Valley | 1 Jan 19 | |
| 254 | 42.75 | | | 42.75 | PB | Rose Chaplin | U17 | -6 | Christopher Voice | Eastbourne | Crawley | 11 May 19 | |
| 256 | 42.76 | | | 40.65 | | Annalise Agyei-Kyem | U15 | -10 | Andrew Kennard | Walton | Lee Valley | 12 May 19 | |
| 257 | 42.77 | i | | 42.18 | | Ellie Brown | U17 | -6 | Joseph McDonnell ☘️ | Charnwood | Sheffield | 23 Feb 19 | |
| 258 | 42.78 | i | | 42.78i | PB | Nikita Gotthardt-Mills | U17 | -8 | Paul Gripton | Bromsgrove & Redditch | Sportcity | 10 Mar 19 | |
| 43.0 | | | | | | | | | | Stourport | 7 Apr 19 | |
| 259 | 42.79 | i | | 40.46 | | Emma Rutherford | U20 | -5 | Alan Erickson | Perth Strathtay | Emirates Arena | 7 Feb 19 | |
| 260 | 42.80 | | | 42.04 | | Julia Winogrodzka | U15 | -8 | | Bolton | Stretford | 22 Apr 19 | |
| 261 | 42.8 | | | 43.67/42.8 | PB | Madelaine Gillis | U15 | -8 | | Middlesbrough (Mandale) | Middlesbrough | 22 Jun 19 | |
| 43.67 | | | | | | | | | | Gateshead | 15 Jun 19 | |
| 261 | 42.8 | | | 42.94/42.8 | PB | Emily Dunkley | U15 | -8 | Claire East | City of Portsmouth | Brighton | 23 Jun 19 | |
| 42.94 | | | | | | | | | | Portsmouth | 11 May 19 | |
| 261 | 42.8 | | | 43.31/42.8 | PB | Hannah Smith | U17 | -7 | | Harborough | Banbury | 7 Jul 19 | |
| 43.31 | | | | | | | | | | Nuneaton | 7 Sep 19 | |
| 264 | 42.82 | | | 42.82 | PB | Charlotte Underwood | U17 | -8 | Barry Hearn | Marshall Milton Keynes | Chelmsford | 21 Jul 19 | |
| 265 | 42.83 | i | | 42.83i | PB | Becky Richards | U17 | -7 | Brian Hopkins | Orion | Lee Valley | 3 Feb 19 | |
| 265 | 42.83 | | | 39.34 | | Chyna Russell | U20 | -4 | John Harris | Belgrave | Crawley | 7 Apr 19 | |
| 267 | 42.84 | | | 42.53i/41.5 | | Angel Gediz | U17 | -7 | | Bexley | Gillingham | 5 May 19 | |
| 267 | 42.84 | | | 42.84 | PB | Niamy Day | U15 | -9 | | Stevenage & North Herts | Hemel Hempstead | 8 Jun 19 | |
| 269 | 42.85 | i | | 41.75 | | Zahara Malcolm | U15 | -8 | John Stow | Woodford Green Essex Ladies | Lee Valley | 13 Jan 19 | |
| 43.0 | | | | | | | | | | Erith | 18 May 19 | |
| 43.12 | | | | | | | | | | Chelmsford | 11 May 19 | |
| 269 | 42.85 | | | 42.85 | PB | Yasmin Palmer | U17 | -7 | Jane Dixon | Shaftesbury Barnet | Luton | 6 Apr 19 | |
| 269 | 42.85 | | | 42.85 | PB | Evie Wild | U17 | -6 | Andrew Mihranian | Stockport | Leigh | 11 May 19 | |
| 269 | 42.85 | i | | 42.85i | PB | Lucy Robinson | U17 | -7 | Joe Frost | Stockport T&F | Sportcity | 15 Dec 19 | |
| 273 | 42.89 | | | 42.04 | | Millie Bayman | U15 | -9 | | Salford H | Stretford | 8 Jun 19 | |
| 273 | 42.89 | | | 41.82 | | Jemima Robinson | U15 | -9 | Anthony Lee | Cardiff | Cardiff | 6 Jul 19 | |
| 275 | 42.90 | i | | 42.90i | PB | Adedoyin Adeyanju | U17 | -7 | | Harrow | Lee Valley | 17 Mar 19 | |
| 43.07 | | | | | | | | | | Harrow | 5 May 19 | |
| 276 | 42.9 | | | 43.38/41.1 | | Lauren Fall | U17 | -7 | Eric Cartwright | Telford AC | Tipton | 7 Apr 19 | |
| 43.62 | i | | | | | | | | | Lee Valley | 5 Jan 19 | |
| 276 | 42.9 | | | 42.12 | | Susannah Lecoutre | U17 | -8 | Andy Coley-Maud | Guildford & Godalming | Ewell | 22 Apr 19 | |
| 276 | 42.9 | | | 43.80/42.9 | PB | Jorja Hope | U17 | -7 | | Birchfield H | Rugby | 26 May 19 | |
| 43.80 | | | | | | | | | | Birmingham | 5 May 19 | |
| 276 | 42.9 | | | 40.91 | | Poppy Glasby-Seddon | U17 | -6 | Anita Richardson | Sale Harriers Manchester | Sportcity | 26 May 19 | |
| 276 | 42.9 | | | 42.96/42.9 | PB | Olivia Perry | U17 | -8 | | Southampton | Portsmouth | 8 Jun 19 | |
| 42.96 | | | | | | | | | | Portsmouth | 11 May 19 | |
| 276 | 42.9 | | | 43.50/42.9 | PB | Leah Watts | U15 | -9 | Richard Sidoli | Poole AC | Bournemouth | 22 Jun 19 | |
| 43.50 | | | | | | | | | | Horspath | 7 Sep 19 | |
| 276 | 42.9 | | | 41.58/41.4 | | Imogen Sheppard | U20 | -5 | Michael Sheppard | Stratford-upon-Avon | Stratford-upon-Avon | 8 Sep 19 | |
| 283 | 42.91 | | | 42.91 | PB | Rosie Hughes | U17 | -8 | Janice Lawton | Gateshead | Middlesbrough | 12 May 19 | |
| 283 | 42.91 | | | 42.91 | PB | Felicity Townend | U17 | -7 | | Cheltenham | Exeter | 15 Jun 19 | |
| 285 | 42.92 | | | 42.92 | PB | Gabriella Berkeley-Agyepong | U15 | -8 | | Croydon | Kingston | 12 May 19 | |
| 285 | 42.92 | | | 42.76 | | Anna Hill | U20 | -6 | | Lagan Valley | Antrim | 17 May 19 | |
| 285 | 42.92 | | | 41.85 | | Neve Woodward | U15 | -9 | | Rushcliffe | Bedford | 31 Aug 19 | |
| 288 | 42.93 | | | 42.93 | PB | Isabella Lehtinen | U15 | -9 | | Crawley | Crawley | 7 Apr 19 | |
| 289 | 42.94 | | | 42.94 | PB | Kyla Joy Francis | U15 | -8 | Sue Keen | Eastbourne | Crawley | 11 May 19 | |
| 289 | 42.94 | | | 40.86i | | Amy Greig | U15 | -8 | Remy Bosman | St. Mary's Richmond | Lee Valley | 12 May 19 | |
| 291 | 42.95 | | | 42.95 | PB | Chloe Cheyne | U17 | -6 | Dianne Chisholm | Inverness | Inverness | 11 May 19 | |
| 292 | 42.96 | | | 42.96 | PB | Isabelle Burlington | U15 | -9 | | Mansfield | Loughborough | 29 Jul 19 | |
| 293 | 42.97 | | | 42.97 | PB | Charlotte Wilkinson | U15 | -9 | Joe Frost | | Loughborough | 29 Jul 19 | |
| 294 | 42.99 | | | 42.99 | PB | Eve Walley | U15 | -8 | Nick Marley | Guernsey | Portsmouth | 11 May 19 | |
| 295 | 43.00 | | | 43.00 | PB | Kyra Sethna-McIntosh | U17 | -7 | | Croydon | Perivale | 26 May 19 | |
| 295 | 43.00 | i | | 41.79 | | Ruka Shonibare | U20 | -6 | Carl Worthington | Sale Harriers Manchester | Sportcity | 15 Dec 19 | |
| 297 | 43.0 | | | 41.78 | | Maya Curry | U17 | -7 | Anita Richardson | Sale Harriers Manchester | Preston | 5 May 19 | |
| 297 | 43.0 | | | 42.77i | | Sarah-Jane Ollis | U17 | -6 | Mike Bennett | Worcester | Cheltenham | 6 May 19 | |
| 297 | 43.0 | | | 43.56/43.0 | PB | Ashleigh Sidney | U17 | -8 | | Vale of Aylesbury | Croydon | 28 Jul 19 | |
| 43.56 | | | | | | | | | | Perivale | 26 May 19 | |
| 300 | 43.03 | | | 43.03 | PB | Aimee Stitt | U20 | -5 | Michael Roberts | North Down | Bangor | 9 Apr 19 | |
| 300 | 43.03 | | | 43.03/42.1 | PB | Olivia Mensah | U15 | -9 | | Walton | Eton | 20 Jul 19 | |
| 302 | 43.04 | | | 43.04 | PB | Anise Macaulay Orr | U15 | -9 | | Edinburgh AC | Livingston | 21 Aug 19 | |
| 303 | 43.06 | | | 42.94i | | Emmanuella Kone | U17 | -7 | Helen Patricia James | Cardiff | Yate | 28 Jul 19 | |
| 304 | 43.07 | | | 43.07 | PB | Isabel Causer | U15 | -8 | Steven Marshall | Hallamshire | Sheffield | 20 Jul 19 | |
| 305 | 43.08 | | | 43.08 | PB | Mia Belton | U15 | -9 | | Morpeth | Cudworth | 1 Sep 19 | |
| 306 | 43.10 | | | 43.10 | PB | Abbie Jones | U20 | -6 | Simon Goldfinch | Maidenhead | Eton | 7 Apr 19 | |
| 307 | 43.1 | | | 42.88/42.6 | | Emma Horsey | U17 | -7 | Andrew Kennard | Walton | Walton | 5 May 19 | |
| 307 | 43.1 | | | 42.72 | | Lucy Perkins | U17 | -7 | | Vale of Aylesbury | Horspath | 11 May 19 | |
| 307 | 43.1 | | | 43.1 | PB | Sophie Rushmere | U17 | -8 | | Great Yarmouth | Norwich | 11 May 19 | |
| 307 | 43.1 | | | 43.25/43.1 | PB | Femke Rosbergen | U17 | -6 | David Pring | City of Norwich | Norwich | 11 May 19 | |
| 43.25 | | | | | | | | | | Gillingham | 9 Jun 19 | |
| 307 | 43.1 | | | 43.35/42.9 | | Jasmine Ferguson | U17 | -7 | | Bedford & County | Hemel Hempstead | 2 Jun 19 | |
| 43.35 | | | | | | | | | | Luton | 6 Apr 19 | |
| 307 | 43.1 | | | 43.38/43.1 | PB | Elsa Smith | U15 | -9 | | New Forest Junior | Bournemouth | 9 Jun 19 | |
| 43.41 | | | | | | | | | | Eton | 20 Jul 19 | |
| 307 | 43.1 | | | 43.77/43.1 | PB | Ebiso Whyte | U15 | -8 | | Enfield & Haringey | Ware | 7 Jul 19 | |
| 43.77 | | | | | | | | | | Hendon | 11 Aug 19 | |
| 307 | 43.1 | | | 43.50/43.1 | PB | Marissa Maclean | U15 | -9 | | Edinburgh AC | Grangemouth | 24 Aug 19 | |
| 43.50 | | | | | | | | | | Scotstoun | 23 Jun 19 | |
| 315 | 43.11 | i | | 41.44 | | Therese Tolan | U17 | -8 | Charlene Thomas | Harrogate | Sportcity | 15 Dec 19 | |
| 43.8 | | | | | | | | | | Gateshead | 18 May 19 | |
| 316 | 43.12 | | | 43.12 | PB | Faye Landless | U15 | -9 | | Gosforth | Middlesbrough | 12 May 19 | |
| 316 | 43.12 | | | 43.12 | PB | Leonie Bottomley | U17 | -7 | | Bridgnorth | Birmingham | 15 Jun 19 | |
| 318 | 43.13 | i | | 42.70 | | Stephanie Jones | U17 | -8 | Joe Frost | Stockport T&F | Sportcity | 1 Dec 19 | |
| 319 | 43.14 | | | 43.14 | PB | Jessica Lake | U17 | -6 | Stefan Wilcockson | Mansfield | Derby | 12 May 19 | |
| 319 | 43.14 | | | 43.14 | PB | Scarlet Gledden | U15 | -9 | Steven Marshall | Hallamshire | Doncaster | 6 Jul 19 | |
| 321 | 43.15 | | | 43.15 | PB | Charlotte Maxwell | U15 | -8 | Martin Norman | Walton | Kingston | 12 May 19 | |
| 321 | 43.15 | | | 43.15 | PB | Nicola Farmer | U17 | -8 | Alan Hill | Springburn | East Kilbride | 2 Jun 19 | |
| 321 | 43.15 | | | 43.15 | PB | Abigail Tucker | U15 | -9 | | Bideford | Tavistock | 14 Jul 19 | |
| 324 | 43.16 | | | 42.68/42.6 | | Amani Valli-Carter | U15 | -9 | Peter Crook | Preston | Liverpool | 18 May 19 | |
| 324 | 43.16 | | | 43.16 | PB | Jessica O'Flaherty | U17 | -7 | Kim Milnthorpe | Horsham Blue Star | Crawley | 8 Jun 19 | |
| 324 | 43.16 | i | | 39.59i | | Stephanie Brooks | U17 | -7 | Martin Fisher | North Somerset | Cardiff | 1 Dec 19 | |
| 43.5 | | | | | | | | | | Hereford | 5 May 19 | |
| 327 | 43.18 | | | 43.18 | PB | Tayla James | U17 | -6 | | Tavistock | Exeter | 26 May 19 | |
| 328 | 43.20 | | | 43.20 | PB | Chloe Eames | U17 | -7 | Dwayne Stoddart | Reading AC | Bracknell | 30 Mar 19 | |
| 328 | 43.20 | | | 43.20 | PB | Amber Williams | U17 | -7 | | Neath | Neath | 19 May 19 | |
| 328 | 43.20 | | | 43.20/43.1 | PB | Amelia Hucks | U17 | -7 | | Menai | Wrexham | 16 Jun 19 | |
| 331 | 43.2 | | | 46.10/42.5 | | Zoe Hunter | U17 | -8 | Edward Gregorczyk | Leeds City | Middlesbrough | 5 May 19 | |
| 331 | 43.2 | | | 43.41i/43.2 | PB | Amelia Gittens | U15 | -10 | Colin Gaynor | Herts Phoenix | Ware | 18 May 19 | |
| 43.41 | i | | | | | | | | | Lee Valley | 1 Dec 19 | |
| 331 | 43.2 | | | 43.31/42.8 | | Abigail Earnshaw | U17 | -7 | | Preston | Preston | 1 Jun 19 | |
| 331 | 43.2 | | | 43.33/43.2 | PB | Alex Spurway | U15 | -8 | | Leamington Athletics Academy | Nuneaton | 8 Jun 19 | |
| 43.79 | | | | | | | | | | Birmingham | 15 Jun 19 | |
| 331 | 43.2 | | | 41.55 | | Callie Coates | U15 | -9 | Les Grant | Doncaster | Middlesbrough | 22 Jun 19 | |
| 331 | 43.2 | | | 44.32/43.2 | PB | Katie Ridley | U15 | -9 | Daniel Brooker | Brighton & Hove | Brighton | 28 Jun 19 | |
| 337 | 43.21 | | | 43.21 | PB | Zara Tyas | U17 | -7 | Ian Hill | Holmfirth | Cleckheaton | 14 Apr 19 | |
| 338 | 43.22 | | | 43.22/42.9 | PB | Christie Allen | U17 | -7 | Duncan Mason | Salford H | Stretford | 30 Jun 19 | |
| 338 | 43.22 | | | 43.22 | PB | Emily Plimmer | U17 | -8 | | Wakefield | Wakefield | 14 Sep 19 | |
| 340 | 43.23 | | | 43.23 | PB | Zoe Johnson | U17 | -7 | | Basingstoke & Mid Hants | Portsmouth | 11 May 19 | |
| 340 | 43.23 | | | 42.98 | | Megan Briggs | U17 | -7 | | North Down | Antrim | 10 Aug 19 | |
| 342 | 43.24 | | | 41.68 | | Nicole McGovern | U15 | -9 | Idris Hamud | Hillingdon | Hendon | 27 Jul 19 | |
| 343 | 43.25 | | | 42.55 | | Manon Baines | U15 | -9 | Conrad Kalinowski | St. Mary's Richmond | Basingstoke | 17 Jul 19 | |
| 343 | 43.25 | i | | 43.25i | PB | Emily Hornung | U23 | -3 | Martin Cook | Windsor Slough Eton & Hounslow | Sheffield | 7 Dec 19 | |
| 345 | 43.28 | | | 41.96 | | Sade Fajuke | U15 | -9 | | Victoria Park & Tower Hamlets | Woodford | 27 Apr 19 | |
| 345 | 43.28 | | | 43.28 | PB | Emily Swain | U17 | -8 | Sally Stevens | Hertford & Ware | Hemel Hempstead | 8 Jun 19 | |
| 345 | 43.28 | | | 43.28 | PB | Evie Smith | U15 | -8 | | Leicestershire Schs | Birmingham | 1 Jul 19 | |
| 348 | 43.29 | i | | 42.81i | | Emma Ibbotson | U17 | -8 | Charlene Thomas | Harrogate | Sportcity | 15 Dec 19 | |
| 43.9 | | | | | | | | | | Preston | 20 Jul 19 | |
| 349 | 43.30 | | | 43.30/43.0 | PB | Ciara Alexander | U17 | -7 | | Taunton | Yeovil | 11 May 19 | |
| 349 | 43.30 | | | 39.77i | | Catherine Reynolds | U17 | -8 | Martin Cook | Stratford-upon-Avon | Birmingham | 15 Jun 19 | |
| 349 | 43.30 | | | 43.30 | PB | Beth Turton | U17 | -8 | | St. Mary's Richmond | Guildford | 30 Jun 19 | |
| 352 | 43.3 | | | 43.47/43.3 | PB | Amber Threlfall | U17 | -7 | | Birchfield H | Rugby | 26 May 19 | |
| 43.77 | | | | | | | | | | Birmingham | 19 Jun 19 | |
| 352 | 43.3 | | | 44.57/43.3 | PB | Megan Burge | U17 | -7 | James Wright | Rugby & Northampton | Rugby | 26 May 19 | |
| 352 | 43.3 | | | 44.93/43.3 | PB | Nicola Waite | U17 | -8 | | Victoria Park City of Glasgow | Scotstoun | 2 Jun 19 | |
| 352 | 43.3 | | | 44.27/43.3 | PB | Sydney Foley | U17 | -7 | Russell Middleton | Havering | Braintree | 7 Jul 19 | |
| 352 | 43.3 | | | 44.48/43.3 | PB | Emeline Brown | U17 | -7 | | St. Albans AC | Ware | 7 Jul 19 | |
| 352 | 43.3 | | | 44.41/43.3 | PB | Caitlin Minns | U17 | -8 | | Darlington H | Middlesbrough | 20 Jul 19 | |
| 352 | 43.3 | | | 43.08i | | Keira Brady-Jones | U15 | -9 | Sarah Kearney | Wirral | Preston | 20 Jul 19 | |
| 43.54 | i | | | | | | | | | Sportcity | 15 Dec 19 | |
| 352 | 43.3 | | | 41.47 | | Ines Green | U15 | -9 | | Ipswich | Bury St Edmunds | 8 Sep 19 | |
| 43.54 | | | | | | | | | | Bedford | 15 Sep 19 | |
| 360 | 43.31 | | | 43.31 | PB | Eliz O'Donnell | U17 | -8 | Iain Presnell | Tonbridge | Ashford | 12 May 19 | |
| 361 | 43.32 | | | 43.32 | PB | Emily Burch | U17 | -7 | | Guildford & Godalming | Perivale | 26 May 19 | |
| 361 | 43.32 | | | 43.32 | PB | Heidi Taylor | U17 | -8 | Mark Pauley | Poole AC | Exeter | 2 Jun 19 | |
| 363 | 43.33 | | | 43.33/43.0 | PB | Lily Saxon | U17 | -8 | Stuart Albutt | Solihull & Small Heath | Milton Keynes | 30 Jun 19 | |
| 364 | 43.34 | | | 43.34 | PB | Issy McGrugan | U17 | -7 | Jenny Mcguckian | Ballymena & Antrim | Antrim | 27 Apr 19 | |
| 365 | 43.35 | | | 41.10 | | Ruby Brook | U15 | -9 | Mark Wanklyn | Stroud | Yate | 20 Jul 19 | |
| 366 | 43.37 | | | 43.25 | | Ruby Green | U15 | -9 | | Bedford & County | Bedford | 11 May 19 | |
| 366 | 43.37 | | | 43.37 | PB | Freya Clarkson | U15 | -9 | David Lowes | Chester-le-Street | Middlesbrough | 12 May 19 | |
| 368 | 43.38 | | | 43.38 | PB | Zara Evans | U15 | -9 | | Carmarthen | Aberdare | 4 Aug 19 | |
| 369 | 43.39 | | | 42.91 | | Mia Liddell | U17 | -7 | Geoffrey Fenwick | Gateshead | Middlesbrough | 12 May 19 | |
| 370 | 43.40 | i | | 43.40i | PB | Amanda Ofori-Amoako | U17 | -8 | | Saffron AC | Sheffield | 7 Dec 19 | |
| 371 | 43.4 | | | 41.50/41.4 | | Alice Bennett | U15 | -10 | Shane Smith | Kettering | Corby | 12 May 19 | |
| 43.70 | | | | | | | | | | Kettering | 2 Jun 19 | |
| 371 | 43.4 | | | 44.01/43.4 | PB | Ellen Bruce | U15 | -10 | Marcia Marriott | Oxford City | Horspath | 9 Jun 19 | |
| 371 | 43.4 | | | 45.03/43.4 | PB | Emmeline Viala | U15 | -9 | | Harrow | Sandy | 22 Jun 19 | |
| 371 | 43.4 | | | 44.65/43.4 | PB | Ella Robinson | U17 | -7 | Denise Korkmaz | Huntingdonshire | Luton | 23 Jun 19 | |
| 371 | 43.4 | | | 45.36/43.4 | PB | Clare Hudson | U17 | -8 | | Stevenage & North Herts | Stevenage | 7 Jul 19 | |
| 371 | 43.4 | | | 42.19 | | Amber DuVerney | U17 | -7 | Jacqui Agyepong | Shaftesbury Barnet | Stevenage | 7 Jul 19 | |
| 43.84 | | | | | | | | | | Parliament Hill | 23 Jun 19 | |
| 371 | 43.4 | | | 43.4 | PB | Indienne King | U17 | -8 | John Skevington | Wreake & Soar Valley | Stourport | 7 Jul 19 | |
| 371 | 43.4 | | | 43.4 | PB | Hope Seme | U17 | -7 | | City of Norwich | Braintree | 21 Jul 19 | |
| 379 | 43.41 | | | 42.52i | | Grace Brennan | U17 | -7 | | Team East Lothian | Carlisle | 5 May 19 | |
| 379 | 43.41 | i | | 39.94 | | Chelsea Fagan | U15 | -10 | | Notts | Sheffield | 24 Nov 19 | |
| 381 | 43.43 | | | 43.43 | PB | Kitty Mair | U15 | -8 | Ken Spencer | Bracknell AC | Reading | 8 Jun 19 | |
| 381 | 43.43 | | | 43.43 | PB | Jersey Jones | U15 | -8 | Jason Michael Quirke | Cardiff | Cardiff | 14 Jul 19 | |
| 381 | 43.43 | | | 43.43 | PB | Ellie Odlin | U17 | -7 | | Nene Valley | Wakefield | 14 Sep 19 | |
| 384 | 43.44 | | | 42.95 | | Niamh Fenlon | U15 | -9 | Jonathan McWhinney | North Down | Bangor | 9 Apr 19 | |
| 384 | 43.44 | | | 43.44 | PB | Heidi Stillwell | U17 | -8 | | Mendip | Sportcity | 8 Sep 19 | |
| 386 | 43.45 | i | | 42.63i | | Molly Sharp | U20 | -6 | | Falkirk | Emirates Arena | 7 Feb 19 | |
| 386 | 43.45 | | | 43.45 | PB | Emily Rankin | U15 | -9 | Gary Tunstall | Preston | Stretford | 22 Apr 19 | |
| 388 | 43.46 | i | | 43.46i | PB | Tilly Wilson-Machin | U15 | -8 | David Hood | Nithsdale | Emirates Arena | 3 Feb 19 | |
| 388 | 43.46 | | | 43.11 | | Abbie Harrison | U15 | -9 | | Inverness | Aberdeen | 23 Jun 19 | |
| 390 | 43.47 | | | 42.07 | | Alana Lea | U17 | -7 | Gwyn Jones | Cardiff | Exeter | 26 May 19 | |
| 391 | 43.48 | i | | 43.25i | | Alexandra Cathie | U15 | -9 | Thomas Graham | Whitemoss | Emirates Arena | 3 Feb 19 | |
| 43.71 | | | | | | | | | | Scotstoun | 23 Jun 19 | |
| 391 | 43.48 | | | 42.60 | | Beth Aitken | U17 | -7 | Paul Allan | Pitreavie | Carlisle | 26 May 19 | |
| 391 | 43.48 | | | 41.93 | | Amy Kirkpatrick | U17 | -7 | Michael Wright | Victoria Park City of Glasgow | Grangemouth | 21 Jul 19 | |
| 394 | 43.50 | | | 43.50 | PB | Vanessa Osagie | U17 | -7 | | Thurrock | Grays | 15 Sep 19 | |
| 395 | 43.5 | | | 44.32i/43.1 | | Ruby Spencer | U17 | -8 | Joe Frost | Macclesfield | Blackpool | 23 Mar 19 | |
| 395 | 43.5 | | | 41.39i | | Eva Tyler | U15 | -9 | Matt Elias | Hereford | Stourport | 7 Apr 19 | |
| 395 | 43.5 | | | 42.2 | | Emily Cann | U15 | -9 | | West Suffolk | Ipswich | 2 May 19 | |
| 395 | 43.5 | | | 43.86/43.5 | PB | Isobel Alexander | U15 | -9 | | Ipswich | Ipswich | 12 May 19 | |
| 43.86 | | | | | | | | | | Horspath | 7 Sep 19 | |
| 395 | 43.5 | | | 43.69/43.5 | PB | Fenella Downes | U17 | -6 | | Rugby & Northampton | Rugby | 26 May 19 | |
| 43.94 | | | | | | | | | | Yate | 28 Jul 19 | |
| 395 | 43.5 | | | 44.48/43.5 | PB | Lucy Nattrass | U15 | -10 | Darren Priestley | Havering | Reading | 23 Jun 19 | |
| 395 | 43.5 | | | 43.29 | | Olivia East | U15 | -8 | Claire East | City of Portsmouth | Swindon | 30 Jun 19 | |
| 395 | 43.5 | | | 42.57i | | Charlotte Williams | U15 | -8 | Peter Covey | Epsom & Ewell | Guildford | 7 Jul 19 | |
| 43.71 | | | | | | | | | | Kingston | 12 May 19 | |
| 395 | 43.5 | | | 43.5 | PB | Flo Sumpter | U15 | -9 | | St. Mary's Richmond | Wormwood Scrubs | 20 Jul 19 | |
| 395 | 43.5 | | | 45.32i/43.5 | PB | Samantha Dagg | U15 | -8 | Bruce Scott | Tweed, Leader, Jed Track | Grangemouth | 24 Aug 19 | |
| 405 | 43.51 | i | | 43.36i | | Amelia Briggs-Goode | U17 | -7 | Cameron Sealy | Notts | Birmingham | 17 Feb 19 | |
| 405 | 43.51 | | | 43.51 | PB | Cody Hall | U15 | -9 | Darren Hirst | Durham | Middlesbrough | 12 May 19 | |
| 405 | 43.51 | | | 43.51 | PB | Beth Davidse | U15 | -9 | John Dill | Swindon | Swindon | 8 Jun 19 | |
| 405 | 43.51 | | | 42.77i | | Jemma Thomson | U15 | -9 | Peter Griffiths | Chiltern | Wycombe | 16 Jun 19 | |
| 405 | 43.51 | | | 43.51 | PB | Cara Davie | U15 | -8 | Tom Leeson | Banchory Stonehaven | Aberdeen | 23 Jun 19 | |
| 410 | 43.52 | | | 43.52 | PB | Delphine Lehrfreund | U17 | -7 | | Stevenage & North Herts | Hemel Hempstead | 8 Jun 19 | |
| 411 | 43.53 | | | 43.53 | PB | Lucy Loades | U17 | -8 | Andrew Hughes | Bracknell AC | Reading | 12 May 19 | |
| 411 | 43.53 | | | 43.53 | PB | Sophie Marshall | U15 | -8 | Stephen Richardson | Retford | York | 22 Sep 19 | |
| 411 | 43.53 | i | | 42.73 | | Lauren Etchells | U17 | -8 | Peter Wileman | Durham | Sportcity | 1 Dec 19 | |
| 43.77 | | | | | | | | | | Hexham | 20 Jul 19 | |
| 414 | 43.54 | i | | 43.54i | PB | Vanessa Granada | U15 | -10 | | Team Hounslow | Lee Valley | 17 Mar 19 | |
| 414 | 43.54 | i | | 43.11 | | Lexie Bull | U17 | -9 | Christopher Brown | Stroud | Cardiff | 1 Dec 19 | |
| 416 | 43.55 | | | 43.55 | PB | Matilda Grierson | U17 | -7 | | Gateshead | Middlesbrough | 12 May 19 | |
| 416 | 43.55 | | | 43.55/42.8 | PB | Catriona Scott | U15 | -8 | Moira Jordan | Victoria Park City of Glasgow | Gothenburg, SWE | 30 Jun 19 | |
| 416 | 43.55 | | | 43.55 | PB | Holly Bates | U17 | -8 | | Coventry | Banbury | 28 Jul 19 | |
| 419 | 43.57 | i | | 43.57i | PB | Jenna Morton | U20 | -6 | | Whitemoss | Emirates Arena | 7 Feb 19 | |
| 420 | 43.58 | i | | 42.57i | | Abigail Davison | U20 | -5 | John Dawson | Edinburgh AC | Emirates Arena | 7 Feb 19 | |
| 420 | 43.58 | | | 43.58 | PB | Chloe Simmonite | U15 | -9 | | Swansea | Yate | 20 Jul 19 | |
| 422 | 43.59 | | | 43.59 | PB | Niamh Gillies | U17 | -7 | Thomas Graham | Whitemoss | Grangemouth | 1 May 19 | |
| 422 | 43.59 | | | 43.59 | PB | Niamh Jones | U17 | -6 | | Swansea | Wrexham | 16 Jun 19 | |
| 424 | 43.60 | | | 43.01 | | Hannah Little | U17 | -7 | | Edinburgh AC | Carlisle | 5 May 19 | |
| 424 | 43.60 | | | 43.60 | PB | Anna Brooks | U15 | -9 | Paul Hill | Cardiff Archers | Cardiff | 6 Jul 19 | |
| 424 | 43.60 | | | 43.60 | PB | Gina Speakman | U17 | -8 | | Halifax | Cleckheaton | 28 Jul 19 | |
| 427 | 43.6 | | | 43.74/43.6 | PB | Mia Bailey | U15 | -9 | Keith Yellop | City of Norwich | Norwich | 11 May 19 | |
| 43.74 | | | | | | | | | | Grays | 15 Sep 19 | |
| 427 | 43.6 | | | 43.95/43.6 | PB | Lottie Bentley | U15 | -9 | Mike Bennett | Worcester | Kettering | 2 Jun 19 | |
| 43.95 | | | | | | | | | | Birmingham | 15 Jun 19 | |
| 427 | 43.6 | | | 43.48 | | Freya Bruno | U15 | -10 | Keith Morant | Burton | Wolverhampton | 23 Jun 19 | |
| 43.77 | | | | | | | | | | Loughborough | 24 Aug 19 | |
| 427 | 43.6 | | | 43.6 | PB | Sadie Frater-White | U15 | -8 | Simon Mennell | Braintree | St. Albans | 11 Aug 19 | |
| 427 | 43.6 | | | 44.38i/43.6 | PB | Olivia Harwood | U17 | -7 | | Forest of Dean AC | Yate | 11 Aug 19 | |
| 432 | 43.61 | | | 43.61/43.4 | PB | Leah Jay | U15 | -8 | | Luton | Bedford | 11 May 19 | |
| 432 | 43.61 | | | 43.15 | | Ruby Bell | U17 | -7 | Trevor Painter | Sale Harriers Manchester | Leigh | 11 May 19 | |
| 432 | 43.61 | | | 43.61 | PB | Emily Corker | U17 | -8 | | City of Portsmouth | Portsmouth | 11 May 19 | |
| 432 | 43.61 | i | | 41.11i | | Ella Maxwell | U23 | -3 | | Middlesbrough (Mandale) | Sportcity | 15 Dec 19 | |
| 436 | 43.62 | | | 43.62 | PB | Billie Rouse | U17 | -7 | Sarah Kenyon | Medway & Maidstone | Gillingham | 1 Sep 19 | |
| 437 | 43.66 | | | 43.66 | PB | Georgia Corcoran | U17 | -8 | | Silson | Birmingham | 15 Jun 19 | |
| 438 | 43.67 | i | | 42.00 | | Antonia Dawes | U17 | -8 | Darryn McAtee | Newport H | Cardiff | 27 Jan 19 | |
| 438 | 43.67 | | | 43.67/43.4 | PB | Katelyn Howden | U15 | -9 | | Cleethorpes | Grimsby | 27 May 19 | |
| 438 | 43.67 | | | 42.56i | | Iona Esslemont | U17 | -7 | Nigel Reynolds | Dundee Hawkhill | Scotstoun | 16 Jun 19 | |
| 438 | 43.67 | | | 43.67 | PB | Amelie Attenborough | U17 | -8 | | Guildford & Godalming | Guildford | 30 Jun 19 | |
| 438 | 43.67 | | | 43.67 | PB | Anna Basford | U17 | -8 | | Longwood | Cleckheaton | 28 Jul 19 | |
| 443 | 43.68 | i | | 42.73i | | Daisy Worthington | U17 | -7 | Matt Cullen | Bury | Sheffield | 12 Jan 19 | |
| 444 | 43.69 | | | 43.69 | PB | Eden Williams | U17 | -7 | Helen Patricia James | Cardiff | Cardiff | 19 Jun 19 | |
| 444 | 43.69 | | | 42.14 | | Krystle Balogun | | 10 | Nat Senior | Ilford | Stratford | 11 Aug 19 | |
| 446 | 43.70 | | | 43.70 | PB | Hannah Anderson | U17 | -6 | | East Kilbride | Kilmarnock | 11 Jun 19 | |
| 446 | 43.70 | | | 40.85 | | Isabelle Asante | U15 | -9 | Darren Lewis | Tipton | Nuneaton | 11 Aug 19 | |
| 446 | 43.70 | | | 43.70/43.2 | PB | Jemima Bestley | U17 | -7 | Eddison Williams | Ipswich | Bedford | 15 Sep 19 | |
| 446 | 43.70 | i | | 39.31 | | Sofia Vidak | U17 | -8 | | Falkirk | Emirates Arena | 1 Dec 19 | |
| 450 | 43.7 | | | 43.7 | PB | Iris Downes | U15 | -9 | Colin Lancaster | Shrewsbury | Telford | 11 May 19 | |
| 450 | 43.7 | | | 44.15i/43.7 | PB | Hannah Lownsbrough | U17 | -8 | Paul Gripton | Bromsgrove & Redditch | Kettering | 2 Jun 19 | |
| 450 | 43.7 | | | 44.56/43.7 | PB | Abbie Hall | U17 | -8 | James Wright | Rugby & Northampton | Kettering | 2 Jun 19 | |
| 450 | 43.7 | | | 43.07 | | Isobel Orencas | U15 | -9 | | Wreake & Soar Valley | Kettering | 2 Jun 19 | |
| 43.92 | | | | | | | | | | Loughborough | 20 May 19 | |
| 450 | 43.7 | | | 44.46i/43.5 | | Lela Bendris | U17 | -7 | Peter Crook | Preston | Blackpool | 8 Jun 19 | |
| 450 | 43.7 | | | 43.58 | | Hannah Moody | U15 | -8 | | Chesterfield | Middlesbrough | 22 Jun 19 | |
| 450 | 43.7 | | | 41.75 | | Amber Bailey | U15 | -9 | Les Rayment | Bracknell AC | Brighton | 23 Jun 19 | |
| 450 | 43.7 | | | 43.81/43.7 | PB | Robyn Greenway | U17 | -7 | Joanna Evans | Cleethorpes | Cleckheaton | 23 Jun 19 | |
| 450 | 43.7 | | | 42.81/42.2 | | Jasmine Pattison | U15 | -9 | Adrian Weston | Aldershot, Farnham & District | Winchester | 23 Jun 19 | |
| 450 | 43.7 | | | 45.16/43.7 | PB | Chloe Brand | U15 | -8 | | Thurrock | Chelmsford | 6 Jul 19 | |
| 450 | 43.7 | | | 43.00 | | Tabitha Proudley | U17 | -8 | Katy Odell | Southampton | Southampton | 24 Jul 19 | |
| 450 | 43.7 | | | 48.14/43.7 | PB | Kyra Boyce | U17 | -6 | | Woodford Green Essex Ladies | Ashford | 28 Jul 19 | |
| 462 | 43.71 | | | 42.48 | | Rebecca Squires | U17 | -8 | Philip Long | Exeter | Exeter | 21 Jul 19 | |
| 463 | 43.72 | | | 42.89 | | Abigail Walters | U17 | -6 | Steven Munday | Medway & Maidstone | Ashford | 12 May 19 | |
| 463 | 43.72 | | | 43.72 | PB | Isabella Wigley | U15 | -8 | Phillip Warwicker | Cardiff Archers | Cardiff | 19 Jun 19 | |
| 465 | 43.73 | | | 43.73 | PB | Ruby Saunders | U15 | -8 | | Westbury | Yate | 23 Jun 19 | |
| 466 | 43.75 | | | 41.81i | | Hazel Will | U15 | -10 | | Dundee Hawkhill | Aberdeen | 23 Jun 19 | |
| 467 | 43.76 | | | 43.76 | PB | Ella McGregor | U15 | -8 | | Giffnock North | Gothenburg, SWE | 30 Jun 19 | |
| 468 | 43.77 | | | 43.77 | PB | Francesca Morgan | U15 | -10 | Connor Lane | Cardiff | Cardiff | 14 Jul 19 | |
| 469 | 43.78 | i | | 43.35i | | Catriona McPheat | U20 | -5 | Jamie Bowie | Team East Lothian | Emirates Arena | 7 Feb 19 | |
| 470 | 43.8 | | | 43.97/43.8 | PB | Tia Neill | U17 | -8 | Peter Wareing | Southampton | Southampton | 20 Apr 19 | |
| 43.97 | | | | | | | | | | Portsmouth | 11 May 19 | |
| 470 | 43.8 | | | 44.58i/43.8 | PB | Ruby Styler | U15 | -10 | Steven Marshall | Hallamshire | Gateshead | 18 May 19 | |
| 470 | 43.8 | | | 43.82/43.8 | PB | Nia Amaning | U15 | -8 | Carl Graham | Newham & Essex Beagles | Lewes | 18 May 19 | |
| 43.82 | | | | | | | | | | Stratford | 11 Aug 19 | |
| 470 | 43.8 | | | 44.62/43.8 | PB | Saffron Tasker | U15 | -9 | | Peterborough | Peterborough | 26 May 19 | |
| 470 | 43.8 | | | 43.8 | PB | India Boyd | U17 | -8 | | Wiltshire Schs | Basingstoke | 5 Jun 19 | |
| 470 | 43.8 | | | 44.37/43.8 | PB | Poppy Edwards | U15 | -8 | | Radley | Horspath | 9 Jun 19 | |
| 470 | 43.8 | | | 44.80/43.8 | PB | Poppy Elton | U15 | -8 | Geoff Aston | Worcester | Gloucester | 23 Jun 19 | |
| 470 | 43.8 | | | 44.04/43.8 | PB | Sadie Harris | U15 | -9 | Mick Woods | Aldershot, Farnham & District | Winchester | 23 Jun 19 | |
| 470 | 43.8 | | | 44.30/43.8 | PB | Georgia Eversden | U17 | -8 | | Rugby & Northampton | Loughborough | 30 Jun 19 | |
| 470 | 43.8 | | | 44.15/42.9 | | Christabel Afriyie Amponsah | U15 | -9 | Mike Botha | Croydon | Bromley | 20 Jul 19 | |
| 470 | 43.8 | | | 45.34/43.8 | PB | Grace Daniels | U15 | -8 | Simon Eisenmann | City of Norwich | Braintree | 21 Jul 19 | |
| 481 | 43.81 | | | 43.26 | | Cariad Norris | U15 | -8 | | Guildford & Godalming | Kingston | 12 May 19 | |
| 481 | 43.81 | | | 43.81 | PB | Gemma MacRitchie | U17 | -7 | | Stornoway | Grangemouth | 17 Aug 19 | |
| 483 | 43.82 | | | 43.82 | PB | Holly Waugh | U15 | -8 | Lee Cleary-Morgan | North Shields Poly | Hexham | 18 May 19 | |
| 484 | 43.83 | | | 43.10 | | Zoe Rixson | U17 | -7 | | Basildon | Chelmsford | 11 May 19 | |
| 484 | 43.83 | | | 43.83 | PB | Iona Melrose | U17 | -8 | | Swansea | Wrexham | 16 Jun 19 | |
| 486 | 43.84 | | | 43.61/43.3 | | Rosana Ercilla | U17 | -7 | Paul Herrington | Reading AC | Reading | 12 May 19 | |
| 486 | 43.84 | | | 43.84 | PB | Ruby Hancox | U17 | -8 | Stephen O'Brien | Telford AC | Loughborough | 29 Jul 19 | |
| 486 | 43.84 | i | | 43.84i | PB | Ashleigh Bailey | U20 | -5 | Paul Deakin | Solihull & Small Heath | Sheffield | 7 Dec 19 | |
| 489 | 43.85 | i | | 42.39 | | Isabelle Harding | U17 | -8 | Jacob Burton | Invicta East Kent | Lee Valley | 17 Mar 19 | |
| 489 | 43.85 | | | 43.85 | PB | Orla Foley | U15 | -9 | | St. Albans AC | Hemel Hempstead | 8 Jun 19 | |
| 491 | 43.86 | | | 42.09i | | Olivia Fowler | U17 | -8 | Alexander Wort | Crewe & Nantwich | Nottingham | 31 Mar 19 | |
| 491 | 43.86 | | | 43.86 | PB | Olivia Bonshor | U17 | -8 | Roger Francks | Charnwood | Banbury | 28 Jul 19 | |
| 493 | 43.87 | i | | 43.33 | | Esther Hulley | U17 | -7 | Andrew Mihranian | Stockport | Sportcity | 10 Mar 19 | |
| 493 | 43.87 | i | | 43.63 | | Olivia Berry | U17 | -8 | Andy Frankish | Blackheath & Bromley | Lee Valley | 17 Mar 19 | |
| 493 | 43.87 | | | 43.87 | PB | Freya Higginbottom | U15 | -9 | Susan Deane | Havering | Hornchurch | 18 May 19 | |
| 493 | 43.87 | | | 42.60 | | Oliwia Cwienczek | U15 | -9 | | Yeovil | Exeter | 4 Aug 19 | |
| 493 | 43.87 | | | 43.87/43.0 | PB | Imogen Blackwell | U15 | -9 | Peter Crook | Preston | Sportcity | 7 Sep 19 | |
| 498 | 43.88 | | | 43.84 | | Leah Cameron | U17 | -7 | Janice Hendrie | Inverclyde | Kilmarnock | 11 May 19 | |
| 499 | 43.89 | | | 43.89 | PB | Eve Denman | U15 | -8 | | Cardiff Archers | Yate | 20 Jul 19 | |
| 500 | 43.90 | | | 43.48i | | Niamh Bould | U15 | -10 | | City of Stoke | Stretford | 22 Apr 19 | |
| 500 | 43.90 | | | 42.35 | | Kate Bain | U15 | -9 | Alun Williams | Guernsey | St. Peter Port | 16 May 19 | |
| 502 | 43.9 | | | 43.91i/43.9 | PB | Jorja Webb | U17 | -8 | Mark Wanklyn | Cheltenham | Stourport | 7 Apr 19 | |
| 43.91 | i | | | | | | | | | Birmingham | 17 Feb 19 | |
| 502 | 43.9 | | | 40.93 | | Mia Oldfield | U15 | -9 | David Wilkinson | Thames Valley | Sandy | 22 Jun 19 | |
| 504 | 43.91 | | | 42.37 | | Devon Mather | U23 | -3 | George Male | Basingstoke & Mid Hants | Basingstoke | 6 Apr 19 | |
| 504 | 43.91 | | | 42.76 | | Josephine Bassett | U15 | -10 | | Medway Phoenix | Tonbridge | 26 Aug 19 | |
| 506 | 43.92 | | | 43.92 | PB | Cara Laverty | U17 | -7 | Sean Laverty | City of Derry | Antrim | 10 Aug 19 | |
| 506 | 43.92 | i | | 43.92i | PB | Molly Cornes | U17 | -8 | Kenneth Pearson | Central | Emirates Arena | 27 Oct 19 | |
| 43.93 | | | | | | | | | | Carlisle | 5 May 19 | |
| 508 | 43.95 | | | 43.95 | PB | Alanah Thoresby | U17 | -7 | Dean Lewis | Kingston upon Hull | Hull | 26 May 19 | |
| 508 | 43.95 | | | 43.95 | PB | Jane Sesay | U15 | -9 | | S Factor | Bromley | 3 Jun 19 | |
| 510 | 43.96 | | | 43.96 | PB | Victorious Ezeh | U15 | -10 | | Marshall Milton Keynes | Milton Keynes | 23 Jun 19 | |
| 511 | 43.97 | | | 43.97 | PB | Nell Tolley | U17 | -8 | | Hallamshire | Derby | 12 May 19 | |
| 511 | 43.97 | | | 43.97 | PB | Imogen Wiggin | U15 | -8 | | Team Kennet | Reading | 8 Jun 19 | |
| 513 | 43.98 | i | | 42.00 | | Holly McLachlan | U20 | -6 | | Fife | Emirates Arena | 7 Feb 19 | |
| 514 | 43.99 | i | | 42.11 | | Shona McLay | U17 | -7 | | Central | Emirates Arena | 26 Jan 19 | |
| 514 | 43.99 | i | | 43.99i | PB | Flavia Jenkins | U17 | -6 | | Pembrokeshire | Cardiff | 27 Jan 19 | |
| 44.0 | | | | | | | | | | Bath | 26 Jun 19 | |
| 514 | 43.99 | i | | 43.99i | PB | Isla Golder | U23 | -2 | Martin Cook | Sheffield Uni | Sheffield | 7 Dec 19 | |
| 517 | 44.00 | | | 44.00 | PB | Amy Hughes | U17 | -8 | | Crawley | Crawley | 20 Apr 19 | |
| 518 | 44.0 | | | 42.8 | | Eleesha Charnley | U17 | -7 | | Blackburn | Hyndburn | 4 May 19 | |
| 518 | 44.0 | | | 43.39i | | Non Elen Redvers Jones | U15 | -8 | Stephen Livett | Menai | Bury | 18 May 19 | |
| 518 | 44.0 | | | 43.66/42.9 | | Madeleine Tatham | U15 | -9 | Joe McColgan | Amber Valley & Erewash | Nottingham | 18 May 19 | |
| 518 | 44.0 | | | 45.07/44.0 | PB | Flo Brill | U17 | -8 | Russell Prosser | Nene Valley | Ware | 2 Jun 19 | |
| 518 | 44.0 | | | 44.07/44.0 | PB | Olivia Pawson | U17 | -7 | John Dill | Swindon | Cheltenham | 8 Jun 19 | |
| 518 | 44.0 | | | 42.97 | | Poppy Fox-Rowe | U15 | -9 | | Stratford-upon-Avon | Banbury | 16 Jun 19 | |
| 518 | 44.0 | | | 45.11/44.0 | PB | Charlotte Mahoney | U15 | -9 | | Preston | Bebington | 22 Jun 19 | |
| 518 | 44.0 | | | 44.0 | PB | Francesca Foglia-Pearshouse | U17 | -8 | | City of Norwich | Great Yarmouth | 23 Jun 19 | |
| 518 | 44.0 | | | 46.41/43.8 | | Jessica Norkett | U17 | -7 | | Thetford | Cambridge | 4 Aug 19 | |
| 518 | 44.0 | | | 43.24/42.0 | | Meg Willis | U17 | -8 | David Pring | City of Norwich | Peterborough | 4 Aug 19 | |
| 518 | 44.0 | | | 44.0 | PB | Hannah Sahota | U17 | -7 | Deirdre Elmhirst | Worcester | Worcester | 8 Aug 19 | |
| 40.91 | | | 40.91 | PB | Vanessa Ansuaa | U17 | -7 | Craig Andrew | Shaftesbury Barnet | Bedford | 11 May 19 | |
| 41.03 | | | 41.03 | PB | Katie Monteith | U17 | -7 | Laura Kerr | City of Lisburn | Antrim | 27 Apr 19 | |
| 41.85 | i | | 40.83i | | Emily Oyekan | U17 | -6 | Jessica Taylor-Jemmett | Stockport | Emirates Arena | 26 Jan 19 | |
| 42.43 | i | | 42.43i | PB | Imola Asztalos | | 9 | | Cheltenham | Cardiff | 8 Dec 19 | |
| 43.1 | | | 39.28 | | Ioana-Rebecca Andrei | U17 | -7 | Jake Awe | Luton | Stevenage | 7 Jul 19 | |
| 43.31 | i | | 43.31i | PB | Elfie Ekiata | | | | Sheffield Hallam Uni | Sheffield | 25 Mar 19 | |
| 43.82 | | | 43.54 | | Noelle O'Regan | | 11 | | London Heathside | Lee Valley | 6 Apr 19 | |