| 300 Women Overall 2023 to 44.0 | Head to Head Top 10 |
| Rank | Perf | | | PB | | Name | | Year | Coach | Club | Venue | Date | |
| 1 | 36.80 | i | | 36.76 | | Nicole Yeargin | | 4 | | Pitreavie | Fayetteville AR, USA | 10 Feb 23 |  |
| 2 | 37.24 | i | | 37.24i | PB | Jodie Williams | | 8 | Ryan Freckleton | Herts Phoenix | Iowa City IO, USA | 21 Jan 23 | |
| 3 | 37.33 | | | 36.96 | | Jessie Knight | | 7 | Marina Armstrong | Windsor Slough Eton & Hounslow | Coulsdon | 29 Apr 23 | |
| 4 | 37.62 | i | | 36.86 | | Finette Agyapong | | 4 | TJ Ossai | Newham & Essex Beagles | Lee Valley | 10 Dec 23 | |
| 5 | 37.68 | | | 37.68 | PB | Daryll Neita | | 5 | Marco Airale | Cambridge H | Brescia, ITA | 23 Apr 23 | |
| 6 | 38.61 | | | 38.61 | PB | Niamh Le'Gall | U17 | -7 | Andrew Cross | Wirral | Birmingham | 30 Jun 23 | |
| 7 | 38.81 | iA | | 37.81i | | Rebecca Grieve | U20 | -5 | Francis Smith | Pitreavie | Albuquerque NM, USA | 21 Jan 23 | |
| 8 | 38.86 | i | | 38.86i | PB | Shiloh Wright-Taipow | U20 | -4 | | Harrow | Lee Valley | 10 Dec 23 | |
| 9 | 38.9 | | | 39.35i/38.9 | PB | Kara Dacosta | U17 | -7 | Stephen Ball | Blackburn | Grangemouth | 15 Jul 23 | |
| 39.35 | i | | | | | | | | | Sheffield | 12 Feb 23 | |
| 39.46 | | | | | | | | | | Birmingham | 30 Jun 23 | |
| 10 | 39.09 | | | 38.97i | | Ella Blakey | | 2 | John Henson | Derby | Sheffield | 23 Apr 23 | |
| 11 | 39.10 | | | 39.10 | PB | Daniella Bleach | U17 | -6 | Stewart Marshall | Coventry | Birmingham | 10 Jun 23 | |
| 12 | 39.16 | | | 39.16 | PB | Gwendoline Datey | U20 | -4 | | Woodford Green Essex Ladies | Woodford | 22 Apr 23 | |
| 13 | 39.18 | | | 38.37 | | Sian Harry | | 8 | Roy Dickens | Belgrave | Tonbridge | 28 Aug 23 | |
| 14 | 39.27 | | | 39.27 | PB | Casey Musgrave | U17 | -7 | Mark Fowler | Sheffield & Dearne | Cudworth | 13 May 23 | |
| 15 | 39.32 | i | | 39.15i | | Alicia Regis | U23 | -1 | Mike McFarlane | BFT Track Academy | Lee Valley | 10 Dec 23 | |
| 16 | 39.37 | | | 38.18 | | Shiloh Omotosho | U15 | -8 | Sarah Robinson | Basildon | Birmingham | 30 Jun 23 | |
| 17 | 39.40 | | | 39.40 | PB | Chante Stirling | U17 | -7 | Darlon Clarke | Enfield & Haringey | Finsbury Park | 24 Jun 23 | |
| 18 | 39.46 | | | 39.46 | PB | Sofia Barrett | U17 | -6 | James Wright | Rugby & Northampton | Corby | 14 May 23 | |
| 19 | 39.49 | i | | 39.49i | PB | Kristal Ama-Awuah | | 2 | Matthew Thomas | Herne Hill | Columbia SC, USA | 3 Feb 23 | |
| 20 | 39.60 | | | 38.93 | | Holly Gregory | | 6 | Stephen King | Crawley | Brighton | 3 May 23 | |
| 21 | 39.63 | | | 39.63 | PB | Savannah Mckenzie Morgan | U17 | -7 | James Wright | Rugby & Northampton | Nuneaton | 10 Sep 23 | |
| 22 | 39.64 | | | 39.64 | PB | Camiah Bennett | U17 | -7 | Brian Darby | Coventry | Birmingham | 10 Jun 23 | |
| 23 | 39.86 | i | | 39.84 | | Madeleine Whapples | U23 | -3 | Mike Bennett | Solihull & Small Heath | Sheffield | 9 Dec 23 | |
| 24 | 39.88 | | | 39.88 | PB | Kissiwaa Mensah | U20 | -5 | Prince Duwai | Chelmsford | Lee Valley | 1 Apr 23 | |
| 25 | 39.9 | | | 40.09/39.9 | PB | Nwando Ifeacho | U17 | -8 | | Northamptonshire Schs | Corby | 10 Jun 23 | |
| 40.12 | | | | | | | | | | Birmingham | 30 Jun 23 | |
| 26 | 39.94 | | | 39.11 | | Lily-Rose Brown | U17 | -8 | James McDonald | Herne Hill | Birmingham | 30 Jun 23 | |
| 27 | 39.95 | | | 39.95 | PB | Aaliyah McCloud | U17 | -6 | | Central | Grangemouth | 9 Jun 23 | |
| 28 | 39.96 | | | 39.96 | PB | Tami Adesina | U17 | -8 | David Hourd | Notts | Birmingham | 25 Jun 23 | |
| 29 | 40.06 | | | 40.06 | PB | Elizabeth Taylor | U20 | -4 | Andy Barber | Peterborough & Nene Valley | Loughborough | 17 May 23 | |
| 30 | 40.09 | i | | 40.09i | PB | Lauren Blakey | U23 | -1 | Paul Blakey | Derby | Sheffield | 29 Dec 23 | |
| 31 | 40.1 | | | 40.52/40.1 | PB | Ava Freeman | U17 | -7 | Richard Eastman | Kidderminster & Stourport | Stourport | 21 May 23 | |
| 40.52 | | | | | | | | | | Stoke | 17 Jun 23 | |
| 32 | 40.11 | | | 39.56 | | Ruby Phillips | U15 | -8 | Andrew Fraser | Wirral | Birmingham | 30 Jun 23 | |
| 33 | 40.15 | i | | 39.74i | | Isabella Davies | U15 | -8 | Michael Oluban | Birchfield H | Sheffield | 19 Mar 23 | |
| 40.15 | | | | | | | | | | Birmingham | 30 Jun 23 | |
| 34 | 40.20 | | | 40.20 | PB | Isabelle Lowe | U17 | -7 | Nick Marley | Guernsey | Portsmouth | 13 May 23 | |
| 35 | 40.21 | | | 39.77 | | Grace Sikora | U15 | -9 | | Bracknell AC | Horspath | 10 Sep 23 | |
| 36 | 40.22 | | | 38.84 | | Elsie Brindle | U17 | -7 | | Winchester | Winchester | 31 May 23 | |
| 37 | 40.24 | i | | 40.24i | PB | Alannah Fashanu | U23 | -2 | Ryan Freckleton | Shaftesbury Barnet | Lee Valley | 2 Jan 23 | |
| 37 | 40.24 | | | 39.26 | | Natasha Wynn | U15 | -9 | John Stow | Woodford Green Essex Ladies | Grays | 13 May 23 | |
| 39 | 40.33 | | | 40.33 | PB | Eleanor McIntosh | U17 | -6 | Nick Harris | Bristol & West | Birmingham | 30 Jun 23 | |
| 39 | 40.33 | | | 40.33 | PB | Emily Bowker | U17 | -7 | | East Cheshire | Birmingham | 30 Jun 23 | |
| 41 | 40.35 | i | | 39.56i | | Laura Turley | | 4 | Trevor Painter | West Cheshire | Sheffield | 21 Jan 23 | |
| 41 | 40.35 | | | 40.35 | PB | Blessing Idoko | U17 | -7 | Matt Cullen | Sale Harriers Manchester | Middlesbrough | 12 Aug 23 | |
| 41 | 40.35 | | | 38.92 | | Keeley Little | U15 | -8 | Stephen Cottle | Torbay | Yeovil | 9 Sep 23 | |
| 44 | 40.39 | | | 40.39 | PB | Magdeline Paitoo | U17 | -8 | | London Heathside | Birmingham | 30 Jun 23 | |
| 45 | 40.41 | | | 40.41 | PB | Laura Clark | | 7 | David Hoare | Winchester | Winchester | 31 May 23 | |
| 46 | 40.42 | | | 40.42 | PB | Molly Mills | U15 | -9 | Jessica Taylor-Jemmett | Stockport | Stretford | 29 May 23 | |
| 47 | 40.45 | | | 40.45 | PB | Georgia Hewitt | U17 | -7 | Michael Oluban | Birchfield H | Nuneaton | 10 Sep 23 | |
| 48 | 40.46 | | | 39.38 | | Arabella Wilson | U17 | -6 | Andrew Fisher | Winchester | Winchester | 5 Jul 23 | |
| 49 | 40.49 | i | | 39.26 | | Emma Holmes | U20 | -6 | Victor Oyesola | West Cheshire | Sportcity | 10 Dec 23 | |
| 50 | 40.54 | | | 40.54 | PB | Holly Ovens | U17 | -7 | Steven Doig | Fife | Grangemouth | 12 Aug 23 | |
| 51 | 40.55 | | | 40.04 | | Lucy Hope | | 1 | Steven Munday | Medway & Maidstone | Gillingham | 23 Apr 23 | |
| 52 | 40.58 | | | 39.34 | | Ella Bibby | U15 | -9 | Andrew Cross | Wirral | Birmingham | 30 Jun 23 | |
| 52 | 40.58 | | | 40.39 | | Tia Garrard | U15 | -9 | | Kingston & Poly | Horspath | 10 Sep 23 | |
| 54 | 40.59 | | -1.6 | 40.59 | PB | Eden Robinson | U17 | -6 | | North Devon | Newport | 13 Aug 23 | |
| 55 | 40.62 | | | 39.08 | | Patricia Armah | U17 | -8 | Roddy Slater | Reading AC | Reading | 28 May 23 | |
| 56 | 40.65 | | | 40.65 | PB | Lucy Salter | U17 | -6 | Joanne Harding | Stockport | Ellesmere Port | 13 May 23 | |
| 57 | 40.66 | | | 40.66 | PB | Emmanuella Quaye | U20 | -5 | | Harrow | Lee Valley | 1 Apr 23 | |
| 58 | 40.71 | i | | 40.71i | PB | Emily Cadman | U15 | -9 | Kenyouth (Kenny) Walters | Cambridge H | Lee Valley | 19 Mar 23 | |
| 59 | 40.74 | | | 40.68 | | Eleanor Hartley | U17 | -7 | Lewis Samuel | Sheffield & Dearne | York | 28 May 23 | |
| 59 | 40.74 | | | 40.50 | | Lucy-Jane Matthews | U23 | -2 | Jon Bigg | Birchfield H | London (CT) | 3 Sep 23 | |
| 61 | 40.75 | | | 39.50 | | Bisan Musa | U15 | -10 | Ibrahim Turay | Reading AC | Birmingham | 30 Jun 23 | |
| 62 | 40.78 | | | 40.78 | PB | Isabelle Smith | U17 | -8 | | Northampton | Rugby | 28 May 23 | |
| 63 | 40.79 | | | 39.92 | | Lucia Gifford-Groves | U23 | -3 | | Tavistock | Exeter | 27 Jun 23 | |
| 64 | 40.81 | | | 40.81 | PB | Alyssa Firla | U17 | -7 | Roy Dickens | Blackheath & Bromley | Sportcity | 3 Sep 23 | |
| 65 | 40.82 | | | 40.74 | | Jaymee Brown | U17 | -8 | Nicola Caig | North Ayrshire | Grangemouth | 12 Aug 23 | |
| 65 | 40.82 | | | 40.82 | PB | Lauren Abbott | U17 | -7 | Scott Hamilton | Elgin | Inverness | 16 Sep 23 | |
| 67 | 40.83 | | | 40.83 | PB | Jaya Collinson | U17 | -6 | Graeme Gourlay | Poole AC | Exeter | 17 Jun 23 | |
| 68 | 40.86 | | | 40.86 | PB | Menna Pugsley | U17 | -8 | | Shrewsbury | Birmingham | 30 Jun 23 | |
| 69 | 40.91 | | | 40.86 | | Faith Assah | U17 | -7 | | Cambridge H | Eltham | 30 Jul 23 | |
| 70 | 40.93 | | | 40.71i | | Chloe Johnson | U15 | -9 | David McManus | New Forest Junior | Portsmouth | 13 May 23 | |
| 70 | 40.93 | | | 40.71 | | Chloe Farmer | U17 | -7 | Lisa Waddon | Cardiff Archers | Cardiff | 10 Jun 23 | |
| 72 | 40.97 | | | 40.97 | PB | Sadie Parker | U17 | -8 | Daniel Njai-Rowney | Blyth | Middlesbrough | 14 May 23 | |
| 73 | 40.98 | i | | 40.98i | PB | Shayna Asamoah | U17 | -6 | Agustin Paniagua Osorio | Dunfermline Track & Field | Emirates Arena | 31 Jan 23 | |
| 41.43 | | | | | | | | | | Grangemouth | 15 Apr 23 | |
| 73 | 40.98 | | | 40.98 | PB | Sophie Elliss | | 3 | Marina Armstrong | Blackheath & Bromley | Coulsdon | 29 Apr 23 | |
| 75 | 40.99 | | | 38.22 | | Darcy Coslett | U15 | -9 | Chris Franklin | Llanelli | Aberdare | 19 Jul 23 | |
| 76 | 41.00 | i | | 40.66 | | Charlotte Stamp | | 3 | Geoffrey Barraclough | City of York | Sheffield | 9 Dec 23 | |
| 76 | 41.00 | i | | 41.00i | PB | Oluwatunmise Abbas | U20 | -4 | TJ Ossai | BFT Track Academy | Lee Valley | 10 Dec 23 | |
| 78 | 41.01 | | | 41.01 | PB | Bonheur Tshibola | U17 | -6 | Gordon Ainsley | BRAT | Nuneaton | 13 May 23 | |
| 79 | 41.02 | | | 40.76 | | Ava John | U17 | -7 | | Windsor Slough Eton & Hounslow | Eton | 16 Apr 23 | |
| 79 | 41.02 | | | 41.02 | PB | Lily Metcalfe | U15 | -8 | Paul Herrington | Reading AC | Reading | 13 May 23 | |
| 81 | 41.04 | i | | 39.59i | | Stephanie Brooks | U23 | -3 | Mike Guest | Yate | Cardiff | 17 Dec 23 | |
| 82 | 41.05 | i#A | | 41.05i | PB | Dolita Awala-Shaw | | 1 | Segrid Ayers | Newham & Essex Beagles | Provo UT, USA | 9 Dec 23 | |
| 83 | 41.07 | | | 39.56 | | Lucia Bertacchini | U15 | -9 | Andrew Fisher | Winchester | Winchester | 2 Apr 23 | |
| 83 | 41.07 | | | 39.72 | | Chloe Poore | U15 | -8 | Andrew Fisher | Winchester | Birmingham | 30 Jun 23 | |
| 85 | 41.1 | | | 41.29/41.1 | PB | Isla Swindlehurst | U17 | -7 | Keith Morant | Burton | Stoke | 13 May 23 | |
| 41.29 | | | | | | | | | | Birmingham | 30 Jun 23 | |
| 85 | 41.1 | | | 41.17/41.1 | PB | Molly Barnes | U17 | -7 | Paul Herrington | Reading AC | Reading | 10 Jun 23 | |
| 41.17 | | | | | | | | | | Bromley | 25 Jun 23 | |
| 87 | 41.11 | | | 41.11 | PB | Nia Harrison Sargent | U17 | -7 | Charlene Thomas | Halifax | Cudworth | 13 May 23 | |
| 88 | 41.14 | | | 39.21i | | Holly Ryan | U15 | -10 | Ty Holden | Guildford & Godalming | Nuneaton | 3 Jul 23 | |
| 89 | 41.15 | | | 41.12 | | Anna Babis | U20 | -6 | Simon Duberley | Windsor Slough Eton & Hounslow | Eton | 16 Apr 23 | |
| 89 | 41.15 | | | 40.48 | | Mary Takwoingi | U23 | -1 | Andrew Webber | Solihull & Small Heath | Maastricht, NED | 3 Jun 23 | |
| 89 | 41.15 | | | 40.04 | | Ophelia Jones | U17 | -8 | Anita Richardson | Trafford | Sportcity | 3 Sep 23 | |
| 92 | 41.20 | | | 41.00 | | Lucy Wright | U17 | -7 | James McDonald | Herne Hill | Winchester | 31 May 23 | |
| 92 | 41.20 | | | 40.74 | | Alexia Scotiniadis | U17 | -7 | Andy Poppleton | Tonbridge | Gillingham | 10 Jun 23 | |
| 92 | 41.20 | | | 41.20 | PB | Rosie Kornevall | U17 | -6 | David Leach | Lewes | Birmingham | 30 Jun 23 | |
| 92 | 41.20 | | | 41.20 | PB | Gertie Blewitt | U15 | -9 | Mark Thomas | Team Bath | Birmingham | 30 Jun 23 | |
| 96 | 41.22 | | | 41.22 | PB | Mia Fairweather | U15 | -9 | Malcolm Fairweather | Pitreavie | Livingston | 1 Sep 23 | |
| 97 | 41.23 | i | | 41.10i | | Ella Darby | U17 | -7 | James Wright | Rugby & Northampton | Sheffield | 11 Feb 23 | |
| 41.24 | | | | | | | | | | Birmingham | 30 Jun 23 | |
| 41.7 | | | | | | | | | | Rugby | 17 Jun 23 | |
| 98 | 41.26 | | | 41.26 | PB | Amelia Whiteley | U17 | -7 | Ken Spencer | Bracknell AC | Reading | 13 May 23 | |
| 98 | 41.26 | | | 40.26 | | Jorjia March | U15 | -10 | John Clarke | Barnet | Finsbury Park | 24 Jun 23 | |
| 100 | 41.27 | | | 39.77 | | Mary Taylor | U15 | -10 | James Wright | Rugby & Northampton | Sportcity | 2 Sep 23 | |
| 101 | 41.29 | | | 39.77i | | Catherine Reynolds | U20 | -4 | Martin Cook | Stratford-upon-Avon | Sheffield | 23 Apr 23 | |
| 102 | 41.30 | | | 39.32i | | Isabelle Knight | U15 | -8 | James Wright | Rugby & Northampton | Nuneaton | 13 May 23 | |
| 103 | 41.33 | | | 41.33 | PB | Elizabeth Fox-Payne | U17 | -7 | | Birchfield H | Nuneaton | 13 May 23 | |
| 103 | 41.33 | | | 41.33 | PB | Hannah Wilson | U17 | -7 | Rob Wilson | Blyth | Shildon | 21 May 23 | |
| 105 | 41.34 | | | 40.14 | | Daisy Allford | U15 | -8 | Dave Ragan | Basingstoke & Mid Hants | Basingstoke | 3 Sep 23 | |
| 106 | 41.35 | | | 41.35 | PB | Lakhesia Adams Poku | | 3 | | Woodford Green Essex Ladies | Woodford | 22 Apr 23 | |
| 106 | 41.35 | | | 41.26 | | Chanelle Cole | U23 | -2 | Roy Dickens | Blackheath & Bromley | Bromley | 12 Jun 23 | |
| 106 | 41.35 | | | 41.35 | PB | Aoife Swan-Ashe | U15 | -9 | | Team East Lothian | Livingston | 23 Jun 23 | |
| 109 | 41.38 | | | 40.10/40.0 | | Lily Hartman | U15 | -9 | Sarah Robinson | Basildon | Lee Valley | 13 Aug 23 | |
| 110 | 41.40 | i | | 41.40i | PB | Teresa Iannetelli | | 2 | Howard Moscrop | Swindon | Cardiff | 17 Dec 23 | |
| 43.86 | | | | | | | | | | Swindon | 22 Mar 23 | |
| 111 | 41.4 | | | 42.12i/41.4 | PB | Sophie Hulse | U15 | -9 | Shaun Ainge | Cannock & Stafford | Tipton | 8 Jul 23 | |
| 42.87 | | | | | | | | | | Nuneaton | 12 Aug 23 | |
| 112 | 41.41 | | | 40.93 | | Tiffany Nnamdi-Orduh | U17 | -7 | Michael Harris | Trafford | Leigh | 13 May 23 | |
| 113 | 41.42 | | | 41.42 | PB | Hannah Macleod | U17 | -7 | | Falkirk | Grangemouth | 5 Jul 23 | |
| 114 | 41.43 | | | 41.30 | | Daniela Graham Marti | U17 | -7 | Joanne Harding | Stockport | Stretford | 1 May 23 | |
| 115 | 41.44 | | | 41.44 | PB | Therese Tolan | U20 | -4 | Charlene Thomas | Harrogate | Sheffield | 23 Apr 23 | |
| 116 | 41.45 | | | 41.45 | PB | Rebekah Smith | U17 | -7 | Andrew Fisher | Winchester | Winchester | 2 Apr 23 | |
| 117 | 41.49 | | | 41.49 | PB | Mia Higson | U17 | -6 | Jacqui Agyepong | Shaftesbury Barnet | Reading | 28 May 23 | |
| 118 | 41.50 | | | 41.50/40.7 | PB | Poppy Northcott | U17 | -6 | Neal Edwards | City of Plymouth | Plymouth | 21 May 23 | |
| 118 | 41.50 | | | 39.45 | | Caitlin Hadfield | U15 | -8 | | Derby | Middlesbrough | 13 Aug 23 | |
| 118 | 41.50 | i | | 41.50i | PB | Ella Jeffery | U20 | -4 | Mike Bennett | Wimborne | Cardiff | 6 Dec 23 | |
| 121 | 41.51 | | | 41.51 | PB | Charlotte Bevan | | 1 | | Aberdeen | Aberdeen | 9 Apr 23 | |
| 122 | 41.53 | | | 41.16 | | Zainah Rasheed | U17 | -7 | | Birchfield H | Nuneaton | 13 May 23 | |
| 122 | 41.53 | | | 40.96 | | Charlotte Mckenzie | U15 | -9 | | Kingston upon Hull | Hull | 16 Sep 23 | |
| 124 | 41.55 | | | 40.78 | | Seni Purnell | U15 | -10 | Andrew Fisher | Bournemouth | Nuneaton | 3 Jul 23 | |
| 124 | 41.55 | | | 41.55 | PB | Callie Coates | U20 | -5 | Lee Walker | Sheffield & Dearne | York | 16 Jul 23 | |
| 126 | 41.56 | | | 41.51 | | Hannah Taylor | U20 | -5 | Nichola Crawford | Aberdeen | Aberdeen | 9 Apr 23 | |
| 127 | 41.57 | i | | 41.57i | PB | Arian Williams | U20 | -4 | Barry Edwards | Menai | Sportcity | 12 Mar 23 | |
| 128 | 41.60 | | | 41.60 | PB | Lily Flute | U15 | -10 | Andrew Fisher | Winchester | Winchester | 31 May 23 | |
| 129 | 41.6 | | | 39.59 | | Millee Schofield | U17 | -7 | Caerwen Butler | Blackburn | Bury | 15 Jul 23 | |
| 43.01 | i | | | | | | | | | Sportcity | 10 Dec 23 | |
| 129 | 41.6 | | | 41.2 | | Maizie Boylan | U15 | -9 | Liam Boylan | Great Yarmouth | Bury St. Edmunds | 3 Sep 23 | |
| 131 | 41.61 | | | 40.61 | | Isabelle Bloem | U23 | -3 | Charlene Thomas | Harrogate | Sheffield | 23 Apr 23 | |
| 132 | 41.62 | | | 41.62 | PB | Layla Roden | U15 | -8 | Richard Harris | Rotherham | Cudworth | 13 May 23 | |
| 133 | 41.63 | | | 39.70 | | Annie McLean | U17 | -8 | David Watson | Shettleston | Kilmarnock | 13 May 23 | |
| 133 | 41.63 | | | 41.49 | | Ella Buckley | U15 | -8 | Ty Holden | Barnet | Birmingham | 30 Jun 23 | |
| 135 | 41.67 | | | 41.40 | | Phoebe Mason Clark | U15 | -9 | Rohan Samuel | Harrow | Lee Valley | 10 Jun 23 | |
| 136 | 41.68 | i | | 39.50 | | Stacey Downie | V35 | 14 | | Glasgow Jaguars | Sportcity | 12 Mar 23 | |
| 137 | 41.69 | | | 41.53 | | Amber Matthews | U17 | -8 | | Medway & Maidstone | Gillingham | 10 Jun 23 | |
| 137 | 41.69 | | -1.4 | 41.69 | PB | Lois Codling | U15 | -10 | Neil Evans | Newport H | Brecon | 18 Jun 23 | |
| 137 | 41.69 | | | 41.69 | PB | Honor Reeves | U20 | -6 | | Taunton | Exeter | 16 Jul 23 | |
| 140 | 41.7 | | | 40.27 | | Rachel Donnison | | 5 | Bob Bridges | Belgrave | Parliament Hill | 26 Apr 23 | |
| 140 | 41.7 | | | 41.7 | PB | Izzy Smith | U17 | -7 | | Aldershot, Farnham & District | Corby | 10 Jun 23 | |
| 142 | 41.75 | | | 41.75 | PB | Harriet Medlen | U17 | -6 | Andy Poppleton | Tonbridge | Tonbridge | 30 Apr 23 | |
| 143 | 41.77 | i | | 40.02 | | Millie Rhodes | U15 | -9 | Stuart Hall | Spenborough | Sheffield | 29 Dec 23 | |
| 42.47 | | | | | | | | | | Cudworth | 13 May 23 | |
| 43.5 | | | | | | | | | | Cudworth | 25 Jun 23 | |
| 144 | 41.79 | | | 41.48 | | Nia Harradine-Cole | U17 | -8 | Jason Yeo | Newton Abbot | Exeter | 10 Jun 23 | |
| 145 | 41.80 | | | 41.75 | | Grace Vans Agnew | | 1 | Daniel Stepney | Brighton Phoenix | Brighton | 3 May 23 | |
| 145 | 41.80 | | | 41.80 | PB | Evie Demosthenous | U17 | -7 | | Dacorum | Bromley | 25 Jun 23 | |
| 145 | 41.80 | | | 41.80 | PB | Ellie Mullins | U17 | -6 | | Team Bath | Aberdare | 2 Jul 23 | |
| 148 | 41.8 | | | 41.41 | | Sienna Shipton | U17 | -8 | David Fewell | Chelmsford | Chelmsford | 2 Jul 23 | |
| 42.57 | | | | | | | | | | Chelmsford | 10 Sep 23 | |
| 148 | 41.8 | | | 41.96i/41.8 | PB | Caitlin Hancock | U15 | -9 | Gladys Bird | Woodford Green Essex Ladies | Crawley | 8 Jul 23 | |
| 43.23 | i | | | | | | | | | Lee Valley | 2 Jan 23 | |
| 148 | 41.8 | | | 41.90i/41.8 | PB | Elena Oliphant | U15 | -8 | | S Factor | Gillingham | 15 Jul 23 | |
| 42.32 | | | | | | | | | | Battersea Park | 10 Jun 23 | |
| 151 | 41.82 | | | 41.82 | PB | Anastasia Cotorobai | U17 | -7 | | Pitreavie | York | 28 May 23 | |
| 151 | 41.82 | | | 41.07 | | Anais Shepperd | U17 | -7 | Helen Patricia James | Cardiff | Cardiff | 10 Jun 23 | |
| 153 | 41.83 | i | | 41.47 | | Ines Green | U20 | -5 | | Ipswich | Lee Valley | 3 Dec 23 | |
| 154 | 41.84 | | | 41.57 | | Leah Kyriacou | U15 | -8 | Andy Frankish | Blackheath & Bromley | Horspath | 10 Sep 23 | |
| 155 | 41.85 | | | 41.85 | PB | Neve Woodward | U20 | -5 | | Rushcliffe | Dubai, UAE | 20 Jan 23 | |
| 155 | 41.85 | | | 41.85 | PB | Amy McLoughlin | U15 | -10 | | Walton | Birmingham | 30 Jun 23 | |
| 157 | 41.86 | i | | 41.66 | | Lucy Boyes | U17 | -7 | James Wright | Rugby & Northampton | Sheffield | 11 Feb 23 | |
| 42.41 | | | | | | | | | | Sportcity | 3 Sep 23 | |
| 42.5 | | | | | | | | | | Kettering | 16 Jul 23 | |
| 158 | 41.87 | | | 41.87 | PB | Kelly Constable | | 5 | Paul Pepler | Cardiff Archers | Rugby | 15 Apr 23 | |
| 158 | 41.87 | | | 41.19 | | Luciana Smith | U15 | -8 | Paul Austridge | Blackheath & Bromley | Tonbridge | 22 Jul 23 | |
| 160 | 41.89 | | | 41.89 | PB | Holly Bosworth | U17 | -7 | Victor Oyesola | West Cheshire | Ellesmere Port | 13 May 23 | |
| 161 | 41.9 | | | 41.9 | PB | Evie Humphrey | U17 | -6 | | Charnwood | Stoke | 30 Apr 23 | |
| 161 | 41.9 | | | 42.76/41.9 | PB | Jennifer Klein | U15 | -9 | Tony Lintern | Crawley | Brighton | 16 Jun 23 | |
| 42.76 | | | | | | | | | | Bedford | 7 May 23 | |
| 161 | 41.9 | | | 42.60/41.9 | PB | Makayla Brai-Aloye | U17 | -8 | Ty Holden | Shaftesbury Barnet | St. Albans | 2 Jul 23 | |
| 42.60 | | | | | | | | | | Crawley | 30 Jul 23 | |
| 164 | 41.93 | | | 41.93 | PB | Ione Lon | U15 | -9 | Chris Zah | Essex Schs | Gillingham | 2 Jul 23 | |
| 165 | 41.94 | | | 41.94 | PB | Ella Bickerdyke | U17 | -7 | Desmond Brear | Wakefield | Cleckheaton | 23 Apr 23 | |
| 165 | 41.94 | | | 41.94 | PB | Mariam Badjie | U17 | -8 | | BFT Track Academy | Grays | 10 Jun 23 | |
| 167 | 41.95 | | | 41.95/41.9 | PB | Skye Bishop | U17 | -8 | | Thames Valley | Finsbury Park | 24 Jun 23 | |
| 168 | 41.96 | | | 40.75 | | Ella Wintle | U20 | -4 | | Pembrokeshire | Yate | 16 Apr 23 | |
| 169 | 41.98 | | | 40.38 | | Joyella Jeffries | U15 | -9 | Shaun Ainge | City of Stoke | Stoke | 17 Jun 23 | |
| 170 | 42.00 | | | 41.40i | | Lilly Noble | U17 | -7 | | Deeside AAC | Wrexham | 14 May 23 | |
| 171 | 42.0 | | | 42.04/42.0 | PB | Thaila-Jade Mason | U17 | -7 | Dennis Johnson | Bedford & County | Peterborough | 4 Jun 23 | |
| 42.04 | | | | | | | | | | Winchester | 31 May 23 | |
| 172 | 42.01 | | | 42.01 | PB | Tehillah Ikechukwu-Okonkwo | U17 | -8 | Thomas McTaggart | Law | Grangemouth | 15 Apr 23 | |
| 172 | 42.01 | | | 42.01 | PB | Kitty Harrison-Sargent | U15 | -10 | Steve Mann | Halifax | Cudworth | 13 May 23 | |
| 172 | 42.01 | | | 41.54 | | Izzy Edinboro | U15 | -8 | Andrew Harrison | Darlington H | Birmingham | 30 Jun 23 | |
| 175 | 42.03 | | | 42.03 | PB | Julia Newman | U17 | -7 | Lorna Boothe | Blackheath & Bromley | Reading | 28 May 23 | |
| 175 | 42.03 | | | 41.93 | | Lois MacRae | U15 | -9 | | Inverness | Inverness | 16 Sep 23 | |
| 175 | 42.03 | i | | 42.03i | PB | Charlotte Dewar | U20 | -4 | Neil Dodson | Windsor Slough Eton & Hounslow | Sheffield | 9 Dec 23 | |
| 178 | 42.05 | i | | 40.86 | | Sasha Byrom | | 7 | | Sale Harriers Manchester | Sportcity | 12 Mar 23 | |
| 179 | 42.06 | | | 42.06 | PB | Louisa Birch | U17 | -6 | Craig Pounder | City of York | Cudworth | 13 May 23 | |
| 180 | 42.07 | | | 42.07 | PB | Kira Jones | U17 | -6 | | Kendal | Middlesbrough | 12 Aug 23 | |
| 181 | 42.08 | | | 42.08 | PB | Betty Rennocks | U15 | -9 | Gia Skervin | Notts | Corby | 14 May 23 | |
| 182 | 42.09 | i | | 42.09i | PB | Olivia Fowler | U20 | -4 | Alexander Wort | Crewe & Nantwich | Sportcity | 12 Mar 23 | |
| 183 | 42.10 | | | 40.96 | | Adanna Mazinwosu | U17 | -7 | Ty Holden | Shaftesbury Barnet | Lee Valley | 10 Jun 23 | |
| 183 | 42.10 | | | 42.10 | PB | Mallerie Samuel | U17 | -8 | Mike Stayman | Leeds City | York | 16 Jul 23 | |
| 185 | 42.1 | | | 42.06/41.8 | | Beth Manson | U15 | -9 | | West Cheshire | Ellesmere Port | 10 Jun 23 | |
| 42.71 | | | | | | | | | | Stretford | 29 May 23 | |
| 185 | 42.1 | | | 41.80 | | Isabelle Kyson | U17 | -8 | Gladys Bird | Woodford Green Essex Ladies | Chelmsford | 8 Jul 23 | |
| 42.28 | | | | | | | | | | Grays | 13 May 23 | |
| 185 | 42.1 | | | 42.15/42.1 | PB | Emilia Willis | U17 | -8 | Barry Hearn | Marshall Milton Keynes | Milton Keynes | 10 Sep 23 | |
| 42.48 | | | | | | | | | | Horspath | 2 Aug 23 | |
| 188 | 42.12 | | | 42.12 | PB | Kiesha Carty | | 2 | Katie Jones | Sheffield & Dearne | Sheffield | 23 Apr 23 | |
| 188 | 42.12 | | | 42.12 | PB | Libby Hale | U15 | -9 | John Griffiths | Swansea | Cardiff | 1 Jul 23 | |
| 190 | 42.13 | i | | 41.29/41.2 | | Lyric Allen | U17 | -9 | | West Suffolk | Sportcity | 10 Dec 23 | |
| 42.3 | | | | | | | | | | Bury St. Edmunds | 4 Jun 23 | |
| 42.56 | | | | | | | | | | Stevenage | 21 May 23 | |
| 191 | 42.15 | | | 42.15 | PB | Poppi Watson | U17 | -7 | | Chorley ATC | Stretford | 29 May 23 | |
| 191 | 42.15 | | | 42.15 | PB | Amelia Hamlin | U17 | -7 | | Morpeth | Jarrow | 25 Jun 23 | |
| 193 | 42.16 | | | 42.16 | PB | Genevah-Nicole Adomako-Yeboah | U15 | -10 | Kelvin Richards | Victoria Park & Tower Hamlets | Horspath | 10 Sep 23 | |
| 193 | 42.16 | | | 41.12 | | Georgina Kyte | U17 | -6 | | Invicta East Kent | Canterbury | 30 Sep 23 | |
| 195 | 42.17 | | | 42.17 | PB | Olivia Chilton | U15 | -8 | Barry Hearn | Marshall Milton Keynes | Horspath | 13 May 23 | |
| 196 | 42.18 | | | 42.18 | PB | Vivienne Jonczyk | U15 | -9 | Bjorn Jansen | Hercules Wimbledon | Kingston | 14 May 23 | |
| 197 | 42.19 | | | 42.19 | PB | Grace Tuesday | U17 | -7 | David Leach | Lewes | Crawley | 14 May 23 | |
| 198 | 42.20 | | | 42.20 | PB | Darcey Hodgson | U17 | -7 | Nick Marley | Guernsey | Winchester | 2 Apr 23 | |
| 199 | 42.21 | | | 42.21 | PB | Livvy Connor | | 4 | Julia Machin | Brighton & Hove | Brighton | 26 Jul 23 | |
| 199 | 42.21 | | | 42.21 | PB | Abbie Stewart | U17 | -8 | William MacRury | Stornoway | Stornoway | 9 Sep 23 | |
| 201 | 42.22 | | | 42.22 | PB | Holly Vittle | U15 | -8 | Alex Jachontow | Cardiff | Cardiff | 24 Jun 23 | |
| 202 | 42.24 | | | 41.85 | | Holly Key | U17 | -7 | Lee Walker | Sheffield & Dearne | Cudworth | 13 May 23 | |
| 203 | 42.26 | | | 42.26 | PB | Bella Taylor | U15 | -9 | Andrew Taylor | St. Edmund Pacers | Birmingham | 19 Jun 23 | |
| 204 | 42.27 | | | 42.09 | | Niamh Grahame | | 4 | | London City AC | Harrow | 16 Apr 23 | |
| 205 | 42.3 | | | 41.7 | | Tochi Davids | U17 | -7 | Paul Weston | Croydon | Ewell | 15 Apr 23 | |
| 205 | 42.3 | | | 42.3 | PB | Hannah Lowe | U15 | -9 | | Winchester | Portsmouth | 10 Jun 23 | |
| 207 | 42.31 | | | 42.31 | PB | Sarah McNulty | U15 | -8 | | Giffnock North | Sportcity | 2 Sep 23 | |
| 207 | 42.31 | i | | 41.77i | | Georgina Scoot | U20 | -4 | Richard Derrick | Torbay | Princeton NJ, USA | 9 Dec 23 | |
| 209 | 42.32 | | | 42.02i | | Neve Watson | U15 | -9 | John Spence | Hartlepool AC | Middlesbrough | 14 May 23 | |
| 210 | 42.33 | | | 41.33 | | Kate Setchell | U15 | -9 | | City of York | Cudworth | 13 May 23 | |
| 210 | 42.33 | | | 42.33 | PB | Katie Scott | U15 | -9 | | Solihull & Small Heath | Stoke | 17 Jun 23 | |
| 212 | 42.35 | i | | 42.35i | PB | La-Taunya Samuels | U20 | -4 | Claudio Albanese | Wolverhampton & Bilston | Sheffield | 9 Dec 23 | |
| 43.17 | | | | | | | | | | Rugby | 15 Apr 23 | |
| 213 | 42.37 | | | 42.37 | PB | Ella Rennie | U15 | -9 | Ivor Patrick Northey | Herne Hill | Carshalton | 1 Apr 23 | |
| 213 | 42.37 | | | 41.95 | | Zoe Smith | U17 | -6 | Kevin Smith | Newark AC | Birmingham | 23 Apr 23 | |
| 213 | 42.37 | | | 41.13i | | Gracie Osman | U15 | -9 | Andrew Fisher | Winchester | Winchester | 5 Jul 23 | |
| 216 | 42.38 | | | 42.38 | PB | Holly Light | U17 | -8 | | Barnet | Lee Valley | 10 Jun 23 | |
| 217 | 42.40 | | | 41.74 | | Sophia Wrightam | U15 | -9 | Annie Pointon | Wreake & Soar Valley | Birmingham | 30 Jun 23 | |
| 218 | 42.4 | | | 42.04/41.9 | | Ava Jones | U17 | -8 | Peter Crook | Preston | Blackburn | 22 Apr 23 | |
| 218 | 42.4 | | | 41.90 | | Christy Cameron | U15 | -9 | | Pitreavie | Grangemouth | 27 Aug 23 | |
| 42.93 | i | | | | | | | | | Sportcity | 17 Dec 23 | |
| 43.28 | | | | | | | | | | Grangemouth | 6 Sep 23 | |
| 220 | 42.41 | | | 42.33 | | Aimee Calder | U15 | -9 | Suzanne Taylor | Falkirk | Livingston | 23 Jun 23 | |
| 221 | 42.42 | | | 42.42 | PB | Emily Fawkes | U17 | -7 | David Watson | Falkirk | Grangemouth | 12 Aug 23 | |
| 221 | 42.42 | i | | 40.25 | | Imogen Pughe | U20 | -5 | | West Cheshire | Cardiff | 6 Dec 23 | |
| 223 | 42.43 | | -3.1 | 42.43 | PB | Anna-Rose Merchant | U17 | -7 | Steve Knight | Cardiff | Swansea | 23 Apr 23 | |
| 223 | 42.43 | | | 42.24 | | Charlotte D'Arcy | U17 | -6 | Willy Russell | Banchory Stonehaven | Grangemouth | 13 May 23 | |
| 225 | 42.45 | i | | 42.45i | PB | Georgia Bruce | U15 | -9 | Craig Stewart | Harmeny | Emirates Arena | 18 Feb 23 | |
| 43.40 | | | | | | | | | | Scotstoun | 2 Jul 23 | |
| 225 | 42.45 | i | | 41.74i | | Jess Mann | U15 | -10 | Andrew Cross | Warriors | Sportcity | 17 Dec 23 | |
| 42.93 | | | | | | | | | | Stretford | 3 Jun 23 | |
| 227 | 42.46 | i | | 42.46i | PB | Maylayah Jay | U17 | -8 | | Birchfield H | Sheffield | 9 Dec 23 | |
| 228 | 42.48 | | | 42.48 | PB | Ella Henderson | U17 | -7 | Vanessa Hammett | Kingston & Poly | Kingston | 10 Jun 23 | |
| 229 | 42.49 | | | 42.49/41.4 | PB | Nisha Desai | V35 | 17 | | Morpeth | Jarrow | 26 Apr 23 | |
| 230 | 42.50 | | | 41.88 | | Amelia Kuffour | U15 | -8 | James Mann | Notts | Stoke | 17 Jun 23 | |
| 231 | 42.5 | | | 42.08 | | Grace Durrant | U15 | -9 | Amanda Edgley-Pearce | Medway & Maidstone | Bromley | 29 Apr 23 | |
| 231 | 42.5 | | | 42.61/42.5 | PB | Sophie Hawthorn | U15 | -9 | Nicole Brown | Guildford & Godalming | Twickenham | 3 Jun 23 | |
| 42.61 | | | | | | | | | | Winchester | 7 May 23 | |
| 231 | 42.5 | | | 42.5 | PB | Jasmine Egoh | U17 | -7 | | Buckinghamshire Schs | Milton Keynes | 10 Jun 23 | |
| 231 | 42.5 | | | 40.95 | | Auriana Naraghi | U15 | -10 | Les Hall | Bolton | Litherland | 22 Jul 23 | |
| 42.90 | | | | | | | | | | Stretford | 24 Jun 23 | |
| 235 | 42.51 | | | 41.47 | | Thalia Mann | U17 | -8 | Imogen Louise Walker | Watford | Hemel Hempstead | 10 Jun 23 | |
| 235 | 42.51 | | | 42.51/42.3 | PB | Lexie Ellis | U15 | -9 | John Cross | Liverpool H | Middlesbrough | 13 Aug 23 | |
| 235 | 42.51 | | | 41.88 | | Ellie Barker | U15 | -9 | | Warrington AC | Warrington | 17 Sep 23 | |
| 235 | 42.51 | i | | 40.95i | | MIllie Webb | U20 | -6 | Connor Lane | Cardiff | Cardiff | 17 Dec 23 | |
| 239 | 42.53 | i | | 42.36i | | Keziah Olaleye | U17 | -6 | Mick Bond | Cambridge H | Lee Valley | 19 Mar 23 | |
| 43.28 | | | | | | | | | | Eltham | 16 Apr 23 | |
| 239 | 42.53 | | | 42.53 | PB | Ella Thomas | U17 | -8 | Mark Ormerod | Tonbridge | Gillingham | 10 Jun 23 | |
| 241 | 42.55 | | | 42.53 | | Katie Foss | U17 | -7 | | Crawley | Crawley | 28 Aug 23 | |
| 242 | 42.58 | | | 41.06 | | Ella Martin | U15 | -9 | Brian Darby | Coventry | Birmingham | 10 Jun 23 | |
| 242 | 42.58 | | | 42.58 | PB | Alice Jones | U15 | -9 | Stephen Carroll | Liverpool H | Stretford | 28 Aug 23 | |
| 244 | 42.59 | i | | 41.97 | | Kishi Aremu | U15 | -8 | Bob Douglas | Livingston | Emirates Arena | 21 Jan 23 | |
| 42.9 | | | | | | | | | | Grangemouth | 27 Aug 23 | |
| 245 | 42.6 | | | 42.12/41.7 | | Isobel Billau | | 7 | Sam Cater | Cornwall AC | Par | 15 Apr 23 | |
| 245 | 42.6 | | | 42.34/42.3 | | Georgia Howell | U17 | -8 | | Cheltenham | Gloucester | 29 Apr 23 | |
| 42.96 | | | | | | | | | | Gloucester | 1 May 23 | |
| 245 | 42.6 | | | 42.43/42.1 | | Ellie Knobel | U17 | -6 | | Banbury | Horspath | 10 Jun 23 | |
| 245 | 42.6 | | | 42.6 | PB | Precious Njoku | U15 | -8 | Gia Skervin | Notts | Bingham | 24 Jun 23 | |
| 249 | 42.61 | i | | 42.19i | | Hannah Mcdermott | U17 | -7 | | Victoria Park City of Glasgow | Emirates Arena | 5 Mar 23 | |
| 249 | 42.61 | | | 40.45i | | Louise Martin | U15 | -8 | | Dacorum | Horspath | 10 Sep 23 | |
| 249 | 42.61 | | | 42.61 | PB | Amy Hewitt | U17 | -7 | Carl Foster | Wigan & District | Stretford | 23 Sep 23 | |
| 252 | 42.62 | | | 42.54 | | Cara Ellis | U17 | -8 | Stuart Caudery | Cornwall AC | Exeter | 16 Apr 23 | |
| 252 | 42.62 | | | 42.14 | | Krystle Balogun | V35 | 14 | Nat Senior | Ilford | Woodford | 22 Apr 23 | |
| 252 | 42.62 | | | 41.88 | | Tamsin McGraw | | 2 | Martin Cook | Sheffield & Dearne | Sheffield | 23 Apr 23 | |
| 252 | 42.62 | | | 42.62 | PB | Sienna Rust | U17 | -7 | | St. Albans AC | Hemel Hempstead | 10 Jun 23 | |
| 256 | 42.64 | | | 42.07 | | Alannah Snowden | U17 | -8 | | Livingston | Kilmarnock | 30 Apr 23 | |
| 256 | 42.64 | | | 41.60 | | Isabella Phillips | U15 | -10 | Trevor Matthews | Hillingdon | Lee Valley | 13 May 23 | |
| 258 | 42.66 | | | 42.66 | PB | Corazon Da'Silva | U17 | -6 | | Dacorum | Birmingham | 19 Jun 23 | |
| 258 | 42.66 | | | 41.65 | | Lauren McNair | U17 | -8 | | Law | Crownpoint | 10 Sep 23 | |
| 260 | 42.67 | | | 42.67 | PB | Chloe Sherwood-Williams | U17 | -8 | | Guildford & Godalming | Kingston | 10 Jun 23 | |
| 261 | 42.68 | | | 41.23 | | Gráinne Moran | U17 | -7 | | Unattached | Antrim | 29 Apr 23 | |
| 262 | 42.69 | | | 42.47 | | Isa McCarron | U17 | -8 | | Lagan Valley | Belfast | 27 May 23 | |
| 263 | 42.70 | | | 42.70 | PB | Chloe Jones | U17 | -8 | Claire East | City of Portsmouth | Portsmouth | 13 May 23 | |
| 263 | 42.70 | | | 42.07/42.0 | | Florry Siderfin | U17 | -6 | | New Forest Junior | Swindon | 10 Jun 23 | |
| 265 | 42.7 | | | 42.36/42.2 | | Kaitlin Miller | U17 | -7 | | City of Salisbury | Salisbury | 4 Jun 23 | |
| 42.73 | | | | | | | | | | Swindon | 13 May 23 | |
| 265 | 42.7 | | | 44.10/42.7 | PB | Bethan Hadingham | U17 | -6 | Christine Taylor | Epsom & Ewell | Guildford | 17 Jun 23 | |
| 265 | 42.7 | | | 43.01/42.7 | PB | Mia Conduit | U17 | -6 | | Solihull & Small Heath | Rugby | 17 Jun 23 | |
| 43.01 | | | | | | | | | | Birmingham | 10 Jun 23 | |
| 265 | 42.7 | | | 42.97/42.7 | PB | Mollie Beeton | U15 | -8 | | Royal Sutton Coldfield | Daventry | 8 Jul 23 | |
| 43.05 | | | | | | | | | | Nuneaton | 13 May 23 | |
| 265 | 42.7 | | | 41.23i | | Renee Adams | U15 | -8 | | Southport Waterloo | Ellesmere Port | 8 Jul 23 | |
| 270 | 42.72 | | | 42.72 | PB | Anouska Wedrychowski | U17 | -7 | Daniel Sawyers | Windsor Slough Eton & Hounslow | Eton | 16 Apr 23 | |
| 271 | 42.74 | | | 42.74 | PB | Natasha Bennett | U17 | -7 | David Wilkinson | Thames Valley | Finsbury Park | 24 Jun 23 | |
| 272 | 42.75 | | | 42.75 | PB | Sophie Haslam | U17 | -7 | Andrew Fraser | Wirral | Blackburn | 25 Jun 23 | |
| 273 | 42.76 | i | | 41.49 | | Ella Burridge | U17 | -8 | | London Heathside | Sheffield | 11 Feb 23 | |
| 43.12 | | | | | | | | | | Perivale | 7 May 23 | |
| 274 | 42.77 | | | 39.87i | | Cara Monachello | U15 | -10 | | Kilmarnock | Kilmarnock | 13 May 23 | |
| 275 | 42.78 | | | 41.61 | | Daisy Skye Connor | U15 | -8 | Christopher Voice | Eastbourne | Crawley | 14 May 23 | |
| 275 | 42.78 | | | 42.25i | | Evie-Mae Mosanya | U15 | -9 | | Woodford Green Essex Ladies | Grays | 10 Jun 23 | |
| 277 | 42.79 | i | | 42.46 | | Imogen Barrett | U17 | -6 | Craig Pounder | City of York | Sheffield | 14 Jan 23 | |
| 43.26 | | | | | | | | | | Cudworth | 13 May 23 | |
| 43.4 | | | | | | | | | | Gateshead | 17 Jun 23 | |
| 277 | 42.79 | | | 42.79 | PB | Faith Nana | U17 | -7 | | West Midlands Schs | Birmingham | 10 Jun 23 | |
| 277 | 42.79 | i | | 42.79i | PB | Anna Dickson | U20 | -6 | | Hartlepool | Sheffield | 9 Dec 23 | |
| 42.88 | | | | | | | | | | Middlesbrough | 30 Apr 23 | |
| 280 | 42.80 | | | 42.80 | PB | Ellie Crain | U17 | -8 | | Bournemouth | Birmingham | 19 Jun 23 | |
| 281 | 42.8 | | | 44.93/42.8 | PB | Lucy Wain | U17 | -6 | Shaun Ainge | Cannock & Stafford | Sutton Coldfield | 28 May 23 | |
| 281 | 42.8 | | | 43.31/42.8 | PB | Macie Sutherland | U17 | -8 | Jacqui Agyepong | Shaftesbury Barnet | Chelmsford | 16 Jul 23 | |
| 43.31 | | | | | | | | | | Hendon | 21 May 23 | |
| 281 | 42.8 | | | 41.73 | | Holly Sanigar | U17 | -7 | David Taylor | Bristol & West | Gloucester | 6 Aug 23 | |
| 43.80 | | | | | | | | | | Yate | 30 Apr 23 | |
| 284 | 42.83 | | | 42.83 | PB | Megan Ledden | | 6 | Paul Daynes | City of York | Sheffield | 23 Apr 23 | |
| 285 | 42.84 | | | 42.78 | | Emma Hamilton | U17 | -8 | | Airdrie Harriers | Kilmarnock | 13 May 23 | |
| 285 | 42.84 | | | 42.66i | | Anna Kirk | U17 | -7 | Ruth Kirk | Ayr Seaforth | Kilmarnock | 13 May 23 | |
| 287 | 42.86 | | | 42.81 | | Sophie Robertson-Dover | U17 | -7 | Ian Wilcock | City of York | Sportcity | 3 Sep 23 | |
| 288 | 42.89 | | | 42.89 | PB | Victoria Hall | U17 | -7 | Kevin Smith | Northampton | Birmingham | 25 Jun 23 | |
| 289 | 42.90 | | | 42.89 | | Alice Gilday | U15 | -9 | | City of York | York | 10 Sep 23 | |
| 290 | 42.9 | | | 43.75/42.9 | PB | Aalisa Watson | U17 | -7 | Lee Walker | Doncaster | Cudworth | 13 May 23 | |
| 43.75 | | | | | | | | | | Cudworth | 13 May 23 | |
| 290 | 42.9 | | | 43.45/42.9 | PB | Madison Farley | U17 | -8 | | Wolverhampton & Bilston | Sutton Coldfield | 28 May 23 | |
| 43.45 | | | | | | | | | | Birmingham | 10 Jun 23 | |
| 290 | 42.9 | | | 45.64/42.9 | PB | Yasmin Hughes | U15 | -10 | | | Stourport | 10 Jun 23 | |
| 290 | 42.9 | | | 42.49 | | Ella Pugh | U17 | -6 | | Guildford & Godalming | Guildford | 17 Jun 23 | |
| 290 | 42.9 | | | 43.83/42.9 | PB | Lily Tyler | U17 | -7 | | Colchester H | Chelmsford | 2 Jul 23 | |
| 43.83 | | | | | | | | | | Stevenage | 16 Jul 23 | |
| 290 | 42.9 | | | 42.9 | PB | Samantha Yearwood | U17 | -7 | Upali Ukwatte Kankanamage | Colchester & Tendring | Chelmsford | 2 Jul 23 | |
| 290 | 42.9 | | | 44.80i/42.9 | PB | Lucy Ormsby | U17 | -8 | | Northern (Isle of Man) | Douglas | 23 Jul 23 | |
| 297 | 42.91 | i | | 42.91i | PB | Charlotte Smart | U17 | -8 | | Edinburgh AC | Emirates Arena | 31 Jan 23 | |
| 43.18 | | | | | | | | | | Grangemouth | 9 Jun 23 | |
| 297 | 42.91 | i | | 42.91i | PB | Leila Lihe | U15 | -9 | Mark Fowler | Hallamshire | Sheffield | 19 Mar 23 | |
| 297 | 42.91 | | | 42.91/42.3 | PB | Alice Cox | U17 | -7 | Tony Lintern | Crawley | Crawley | 14 May 23 | |
| 297 | 42.91 | | | 42.91 | PB | Chimdi Duru | U15 | -9 | | Coventry | Rugby | 21 May 23 | |
| 297 | 42.91 | | | 42.61 | | Katarina Savkovic | U17 | -7 | Ian Wilcock | City of York | Sportcity | 3 Sep 23 | |
| 297 | 42.91 | i | | 41.01i | | Roxy McHugh | U15 | -10 | | Sale Harriers Manchester | Sportcity | 17 Dec 23 | |
| 43.63 | | | | | | | | | | Stretford | 24 Jun 23 | |
| 303 | 42.95 | | | 42.95 | PB | Evie Dixon | U17 | -8 | Andy Poppleton | Tonbridge | Tonbridge | 10 Apr 23 | |
| 303 | 42.95 | | | 42.74 | | Imogen Jones | U15 | -9 | Sharon Morris | Birchfield H | Loughborough | 14 Jun 23 | |
| 303 | 42.95 | | | 42.95 | PB | Jasmine Richards | U17 | -8 | Sandra Woodman | Yate | Sportcity | 3 Sep 23 | |
| 306 | 42.96 | i | | 41.30i | | Queenivette Nguta | U20 | -7 | | Preston | Sportcity | 17 Dec 23 | |
| 307 | 42.97 | i | | 42.30i | | Jessica Waters | | 1 | | Sutton-in-Ashfield | Sheffield | 9 Dec 23 | |
| 308 | 43.0 | | | 43.0 | PB | Shannon Brown | U17 | -7 | Nicola Caig | North Ayrshire | Linwood | 20 May 23 | |
| 308 | 43.0 | | | 42.24 | | Kimberley Gladwell | U17 | -7 | Stef Bazylkiewicz | Radley | Salisbury | 4 Jun 23 | |
| 308 | 43.0 | | | 42.38 | | Grace Connor | U17 | -8 | | Guildford & Godalming | Kingston | 10 Jun 23 | |
| 43.41 | | | | | | | | | | Kingston | 10 Jun 23 | |
| 308 | 43.0 | | | 43.06/42.8 | | Mahiya Mohan | U15 | -8 | | Barrow & Furness | Gateshead | 17 Jun 23 | |
| 43.06 | | | | | | | | | | Birmingham | 30 Jun 23 | |
| 308 | 43.0 | | | 43.66/42.9 | | Agatha Taylor | U15 | -9 | | Blackburn | Bebington | 8 Jul 23 | |
| 43.66 | | | | | | | | | | Stretford | 3 Jun 23 | |
| 308 | 43.0 | | | 43.0 | PB | Emmeline Orbell | U17 | -7 | Mick Woods | Aldershot, Farnham & District | Chelmsford | 8 Jul 23 | |
| 308 | 43.0 | | | 43.0 | PB | Alice Lazenbury | U17 | -7 | Geoff Aston | Worcester | Corby | 16 Jul 23 | |
| 315 | 43.02 | i | | 39.13 | | Joanne Ryan | V35 | 15 | Lawrence Lynch | Loughton | Lee Valley | 12 Mar 23 | |
| 315 | 43.02 | | | 43.02 | PB | Heather Bruce | | 1 | Eoghan MacNamara | Aberdeen | Aberdeen | 9 Apr 23 | |
| 315 | 43.02 | | | 43.02 | PB | Zoe Wilson | U17 | -6 | David Watson | Victoria Park City of Glasgow | Grangemouth | 12 Aug 23 | |
| 318 | 43.03 | | | 42.06i | | Grace Ingle | U15 | -9 | Mark Fowler | Hallamshire | Leeds | 8 Jul 23 | |
| 319 | 43.04 | | | 43.04 | PB | Daisy Flux | U17 | -6 | | Dorchester | Exeter | 17 Jun 23 | |
| 319 | 43.04 | | | 43.04 | PB | Isla Bell | U15 | -9 | Daniel Njai-Rowney | Blyth | Middlesbrough | 13 Aug 23 | |
| 319 | 43.04 | i | | 40.98i | | Diani Walker | | 6 | Lloyd Cowan | Birchfield H | Sheffield | 29 Dec 23 | |
| 322 | 43.05 | i | | 41.06i | | Eli Jones | U20 | -6 | Martin Weetman | Menai | Sportcity | 12 Mar 23 | |
| 322 | 43.05 | | | 43.05 | PB | Poppy Wilde | U17 | -8 | Lee Cleary-Morgan | Elswick | Middlesbrough | 14 May 23 | |
| 324 | 43.07 | | | 43.07 | PB | Nerys Tullett | U17 | -7 | Hayley Tullett | Woking | Aldershot | 2 Jul 23 | |
| 324 | 43.07 | | | 41.92 | | Madeleine Davis-Hull | U15 | -9 | Robert Linskill | North Devon | Exeter | 16 Jul 23 | |
| 326 | 43.08 | | | 41.78 | | Amy Mansell | U15 | -8 | Tamar Green-King | Havering | Lee Valley | 13 Aug 23 | |
| 326 | 43.08 | i | | 40.53 | | Olivia Kimbowa | U23 | -1 | Les Hall | Bolton | Sportcity | 17 Dec 23 | |
| 328 | 43.09 | | | 42.43i | | Joyce Kalombo | | 3 | Clarence Callender | Herne Hill | London (CT) | 13 Aug 23 | |
| 329 | 43.10 | | | 42.65i | | Sophie Thomas | U17 | -7 | Agustin Paniagua Osorio | Dunfermline Track & Field | Aberdeen | 28 May 23 | |
| 330 | 43.1 | | | 43.00 | | Georgia Griffiths | U15 | -8 | | Cannock & Stafford | Telford | 12 Apr 23 | |
| 330 | 43.1 | | | 46.27/43.1 | PB | Khaya Swaine | U17 | -7 | Bryan Clinton | Swindon | Bournemouth | 23 Apr 23 | |
| 330 | 43.1 | | | 43.49/43.1 | PB | Lily Burton | U17 | -7 | | Ipswich | Bury St. Edmunds | 14 May 23 | |
| 43.71 | | | | | | | | | | Hendon | 21 May 23 | |
| 330 | 43.1 | | | 43.87/43.1 | PB | Lottie Wilkin | U15 | -9 | David Fewell | Chelmsford | Chelmsford | 16 Jul 23 | |
| 43.87 | | | | | | | | | | Stevenage | 21 May 23 | |
| 334 | 43.12 | | | 43.12 | PB | Katie Betts | U15 | -9 | | Scunthorpe Harriers AC | Stretford | 24 Jun 23 | |
| 334 | 43.12 | | | 42.78 | | Amber Drake | U17 | -8 | Mark Brace | North Devon | Exeter | 30 Jul 23 | |
| 336 | 43.13 | | | 43.13 | PB | Isobel Pickard | U17 | -7 | Joanne Day | Havering | Grays | 10 Jun 23 | |
| 336 | 43.13 | | | 42.70 | | Molly Hunter | U17 | -7 | | Kilmarnock | Ayr | 27 Aug 23 | |
| 338 | 43.14 | | | 43.14 | PB | Sarah Lawrence | U17 | -6 | | Pitreavie | Grangemouth | 13 May 23 | |
| 338 | 43.14 | | | 43.14/42.3 | PB | Emiley Axtell | U17 | -8 | | Harrow | Hemel Hempstead | 10 Jun 23 | |
| 338 | 43.14 | | | 43.14 | PB | Holly Humphreys | U15 | -8 | Anthony Clements | Swansea | Aberdare | 12 Jul 23 | |
| 341 | 43.15 | | | 42.07 | | Grace MacDonald | U20 | -6 | Nichola Crawford | Aberdeen | Aberdeen | 9 Apr 23 | |
| 341 | 43.15 | | | 43.15/42.6 | PB | Bethan Bewick | U15 | -9 | | Winchester | Winchester | 5 Jul 23 | |
| 343 | 43.17 | | | 43.17/41.5 | PB | Derrion Thompson | | 4 | Darren Lewis | Tipton | Rugby | 15 Apr 23 | |
| 343 | 43.17 | | | 43.17/42.9 | PB | Daisy Graham | U17 | -8 | | Birtley | Middlesbrough | 14 May 23 | |
| 343 | 43.17 | | | 43.17 | PB | Scarlett Cornwell | U17 | -6 | | East Cheshire | Stretford | 10 Jun 23 | |
| 346 | 43.18 | | | 42.14 | | Lois Creasey | U20 | -5 | David Howells | Middlesbrough (Mandale) | Jarrow | 26 Apr 23 | |
| 346 | 43.18 | i | | 41.50/41.4 | | Alice Bennett | U20 | -6 | Shane Smith | Kettering | Lee Valley | 3 Dec 23 | |
| 346 | 43.18 | i | | 43.18i | PB | Abigail Hackley | U20 | -7 | | Swindon | Sheffield | 9 Dec 23 | |
| 349 | 43.19 | i | | 43.19i | PB | Emily Williams | U17 | -7 | | Giffnock North | Emirates Arena | 4 Feb 23 | |
| 43.82 | | | | | | | | | | Grangemouth | 15 Apr 23 | |
| 349 | 43.19 | | | 43.19 | PB | Carys Jeffries | U17 | -7 | Andrew Fisher | Winchester | Portsmouth | 13 May 23 | |
| 349 | 43.19 | i | | 43.19i | PB | Holly Turner | U20 | -7 | Joanne Walker | Sheffield & Dearne | Sheffield | 9 Dec 23 | |
| 352 | 43.20 | | | 43.20 | PB | Jessica Lamb | U15 | -9 | Shane Smith | Rugby & Northampton | Corby | 14 May 23 | |
| 352 | 43.20 | | | 43.20 | PB | S Okasi | U17 | -6 | | Essex Schs | Grays | 10 Jun 23 | |
| 352 | 43.20 | | | 41.35 | | Atarah Kenton | U17 | -8 | | Croydon | Gillingham | 25 Jun 23 | |
| 355 | 43.2 | | | 42.29 | | Thia Grice-Chiula | U15 | -9 | | Preston | Blackpool | 10 Jun 23 | |
| 43.29 | | | | | | | | | | Stretford | 3 Jun 23 | |
| 355 | 43.2 | | | 42.8 | | Amy Fielding | U15 | -9 | | Great Yarmouth | Norwich | 10 Jun 23 | |
| 355 | 43.2 | | | 43.23/43.2 | PB | Emily Richardson | U17 | -7 | | Barnsley AC | Cudworth | 25 Jun 23 | |
| 43.23 | | | | | | | | | | Mansfield | 26 Mar 23 | |
| 355 | 43.2 | | | 42.45 | | Naomi Sandercock | U15 | -8 | | Colchester & Tendring | Chelmsford | 8 Jul 23 | |
| 355 | 43.2 | | | 44.11/43.2 | PB | Sophie Price | U15 | -8 | | Woking | Hemel Hempstead | 8 Jul 23 | |
| 355 | 43.2 | | | 43.84/43.2 | PB | Emily Milner | U15 | -8 | Nicole Brown | Guildford & Godalming | Carshalton | 26 Aug 23 | |
| 43.84 | | | | | | | | | | Horspath | 5 Jul 23 | |
| 355 | 43.2 | | | 41.7 | | Isla McGowan | U17 | -7 | Ros Kelling | Banbury | Abingdon | 3 Sep 23 | |
| 362 | 43.21 | | | 42.08 | | Abi Coltherd | U17 | -7 | | Orkney | Inverness | 13 May 23 | |
| 362 | 43.21 | | | 43.21 | PB | Scarlett Shepherd | U15 | -9 | | Guildford High School | Nuneaton | 3 Jul 23 | |
| 364 | 43.22 | i | | 43.22i | PB | Skye Davidson | U15 | -9 | | Law | Emirates Arena | 18 Feb 23 | |
| 364 | 43.22 | | | 43.22 | PB | Amber McAuley-Zechner | U17 | -7 | | Gateshead | Whitley Bay | 21 May 23 | |
| 366 | 43.23 | | | 43.23 | PB | Elizabeth MacCallum | U17 | -8 | | Chelmsford | Grays | 13 May 23 | |
| 367 | 43.24 | | | 43.24 | PB | Kaya Slater | U20 | -6 | Roddy Slater | Reading AC | Eton | 16 Apr 23 | |
| 367 | 43.24 | | | 43.24 | PB | Emily Bott | U17 | -6 | Richard Harris | Rotherham | Cudworth | 13 May 23 | |
| 367 | 43.24 | | | 43.24 | PB | Esme du Bois | U17 | -8 | James Wright | Rugby & Northampton | Rugby | 28 May 23 | |
| 367 | 43.24 | | | 43.24 | PB | Lily-Mae Lancaster-Evans | U15 | -8 | | Basingstoke & Mid Hants | Birmingham | 19 Jun 23 | |
| 367 | 43.24 | i | | 43.24i | PB | Allyssia May | U15 | -9 | Les Hall | Bolton | Sportcity | 17 Dec 23 | |
| 372 | 43.25 | | | 43.25 | PB | Samantha Williams | V40 | 19 | | Blackheath & Bromley | Bromley | 12 Jun 23 | |
| 372 | 43.25 | | | 43.25 | PB | Louise Taylor | U17 | -7 | | Middlesbrough (Mandale) | Jarrow | 25 Jun 23 | |
| 374 | 43.26 | | | 43.26 | PB | Jessica Baxter | U15 | -8 | Ian Hill | Leeds City | York | 7 May 23 | |
| 374 | 43.26 | | | 43.26 | PB | India Sommerville | U17 | -7 | | Lewes | Mile End | 28 May 23 | |
| 376 | 43.27 | | | 43.27 | PB | Edie Woodings | U17 | -8 | Jeremy Sothcott | Shaftesbury Barnet | Reading | 28 May 23 | |
| 377 | 43.28 | i | | 43.28i | PB | Amy Jenkinson | U17 | -8 | | Dunfermline Track & Field | Emirates Arena | 31 Jan 23 | |
| 43.8 | | | | | | | | | | Linwood | 20 May 23 | |
| 377 | 43.28 | | | 42.56i | | Evie Aitchison | U17 | -6 | Tony John | Neath | Cardiff | 10 Jun 23 | |
| 379 | 43.30 | | | 43.30 | PB | Kharina Partridge | U20 | -6 | | Woodford Green Essex Ladies | Woodford | 22 Apr 23 | |
| 379 | 43.30 | | | 43.30 | PB | Joy Russell | U15 | -9 | | Brighton & Hove | Crawley | 10 Jun 23 | |
| 379 | 43.30 | | | 43.30 | PB | Maggie Shephard | U17 | -6 | | Essex Schs | Grays | 10 Jun 23 | |
| 379 | 43.30 | | | 43.30 | PB | Alyssa Fitzgerald | U17 | -7 | | Newport H | Aberdare | 19 Jul 23 | |
| 383 | 43.3 | | | 43.34/43.3 | PB | Annabelle Hess | U20 | -5 | Tammie Ryder | Tavistock | Par | 15 Apr 23 | |
| 383 | 43.3 | | | 44.26/42.4 | | Lexi Harrison | U17 | -8 | | Cambridge & Coleridge | Cambridge | 30 Apr 23 | |
| 383 | 43.3 | | | 43.3 | PB | Emerson Churcher | U17 | -7 | Mike Chambers | Southampton | Horspath | 25 Jun 23 | |
| 383 | 43.3 | | | 43.3 | PB | Mollie Grant | U15 | -8 | Marc Thorpe | Lincoln Wellington | Hull | 22 Jul 23 | |
| 383 | 43.3 | | | 42.59i/41.8 | | Serena Clarke | U15 | -9 | | Newquay & Par | Par | 19 Aug 23 | |
| 43.94 | | | | | | | | | | Exeter | 30 Jul 23 | |
| 388 | 43.31 | | | 43.31 | PB | Catherine Atkinson | U17 | -8 | | North Shields Poly | Jarrow | 14 Jun 23 | |
| 389 | 43.32 | i | | 43.21 | | Lily Simon | U17 | -7 | | Pitreavie | Emirates Arena | 4 Feb 23 | |
| 389 | 43.32 | i | | 41.26i | | Sierra Jalloh | U20 | -5 | Michael Dandy | Southport Waterloo | Sportcity | 17 Dec 23 | |
| 391 | 43.34 | | | 43.34 | PB | Ailsa Main | U17 | -6 | | Inverness | Inverness | 13 May 23 | |
| 391 | 43.34 | i | | 42.22/42.1 | | Isobel Dyson | U17 | -7 | Carl Foster | Wigan & District | Sportcity | 17 Dec 23 | |
| 43.39 | | | | | | | | | | Warrington | 17 Sep 23 | |
| 43.5 | | | | | | | | | | Carlisle | 25 Jun 23 | |
| 393 | 43.35 | i | | 43.35i | PB | Imani Quamina | U20 | -7 | | London Heathside | Lee Valley | 3 Dec 23 | |
| 43.54 | | | | | | | | | | Finsbury Park | 15 Jun 23 | |
| 394 | 43.36 | i | | 42.51i | | Erin Lee | U17 | -7 | Alan Erickson | Perth Strathtay | Emirates Arena | 4 Feb 23 | |
| 43.66 | | | | | | | | | | Grangemouth | 15 Apr 23 | |
| 395 | 43.38 | | | 42.70 | | Sophia Sahai | U17 | -8 | James McDonald | Herne Hill | Kingston | 13 May 23 | |
| 396 | 43.4 | | | 42.92 | | Florence East | U17 | -8 | Claire East | City of Portsmouth | Bournemouth | 30 Apr 23 | |
| 396 | 43.4 | | | 43.39 | | Isabelle Allenby | U17 | -6 | | Cleethorpes | Grimsby | 21 May 23 | |
| 396 | 43.4 | | | 43.54i/43.4 | PB | Farrah Cook | | 1 | | Wreake & Soar Valley | Corby | 23 May 23 | |
| 43.85 | | | | | | | | | | Corby | 25 Apr 23 | |
| 396 | 43.4 | | | 42.80 | | Bluebell Heath-Smith | U15 | -8 | | Cheltenham | Gloucester | 10 Jun 23 | |
| 43.77 | | | | | | | | | | Exeter | 17 Jun 23 | |
| 396 | 43.4 | | | 43.4 | PB | Aisha Amao | U17 | -7 | | Thurrock | Chelmsford | 16 Jul 23 | |
| 401 | 43.41 | i | | 42.73 | | Emily Sharpe | | 1 | Jane Farrier | Orion | Lee Valley | 8 Jan 23 | |
| 402 | 43.42 | i | | 43.05 | | Molly Tulloch | U17 | -8 | | Orkney | Emirates Arena | 31 Jan 23 | |
| 402 | 43.42 | | | 43.42 | PB | Erin Cross | U17 | -6 | Lawson Cochrane | Willowfield | Antrim | 20 May 23 | |
| 404 | 43.44 | | | 42.60 | | Miriam Adebayo | U17 | -7 | Tony Benton | Havering | Tonbridge | 30 Apr 23 | |
| 405 | 43.46 | | | 43.46 | PB | Alice Yoxall | U17 | -8 | | Bolton | Stretford | 10 Jun 23 | |
| 405 | 43.46 | | | 43.46 | PB | Chloe Biggs | U17 | -8 | | Newport H | Cardiff | 1 Jul 23 | |
| 405 | 43.46 | | | 42.61 | | Erin Hughes | U23 | -3 | Steven Munday | Medway & Maidstone | Gillingham | 2 Jul 23 | |
| 405 | 43.46 | | | 42.34 | | Sophie Krenzler | U15 | -10 | David Welford | Middlesbrough (Mandale) | Middlesbrough | 13 Aug 23 | |
| 405 | 43.46 | | | 42.03 | | Imogen Hamilton | U15 | -9 | | Derby | Loughborough | 27 Aug 23 | |
| 410 | 43.47 | | | 43.47 | PB | Emma Guinan | U17 | -6 | | Essex Schs | Grays | 10 Jun 23 | |
| 410 | 43.47 | i | | 43.35i | | Katie Mackintosh | U23 | -1 | Graham Mattacks | Newark AC | Cardiff | 17 Dec 23 | |
| 412 | 43.48 | | | 43.48 | PB | Freya Cash | U15 | -9 | | Leigh | Leigh | 13 May 23 | |
| 412 | 43.48 | | | 43.48 | PB | Meghan Cornwell-Heath | U17 | -8 | | Peterborough & Nene Valley | York | 27 May 23 | |
| 412 | 43.48 | | | 43.48 | PB | Eva Payne | U17 | -7 | | Guildford & Godalming | Crawley | 10 Jun 23 | |
| 415 | 43.49 | | | 43.23/43.1 | | Calla Lazou | U17 | -7 | John Harris | Sutton & District | Carshalton | 1 Apr 23 | |
| 415 | 43.49 | i | | 41.59 | | Mia Johnson | U15 | -11 | Victor Oyesola | West Cheshire | Sportcity | 10 Dec 23 | |
| 417 | 43.50 | | | 41.72 | | Lauren Taylor | U17 | -7 | | Camberley | Bracknell | 25 Mar 23 | |
| 417 | 43.50 | | | 43.50 | PB | Beth Campbell | U17 | -7 | | Kilbarchan | Grangemouth | 9 Jun 23 | |
| 419 | 43.5 | | | 43.73/43.5 | PB | Lucy Fitzpatrick | U17 | -7 | James Mole | North Shields Poly | Shildon | 23 Apr 23 | |
| 43.73 | | | | | | | | | | Whitley Bay | 21 May 23 | |
| 419 | 43.5 | | | 44.46/43.5 | PB | Freya McFadden | U17 | -6 | | Stroud | Gloucester | 29 Apr 23 | |
| 419 | 43.5 | | | 43.5 | PB | Rebekah John | U17 | -7 | | Cambridge & Coleridge | Cambridge | 30 Apr 23 | |
| 419 | 43.5 | | | 43.64i/42.7 | | Olivia Gaines | U15 | -10 | | St. Albans AC | Hemel Hempstead | 10 Jun 23 | |
| 43.86 | | | | | | | | | | Stevenage | 16 Jul 23 | |
| 419 | 43.5 | | | 43.53/43.1 | | Cara Griffiths | U15 | -9 | | Rugby & Northampton | Nuneaton | 10 Jun 23 | |
| 43.53 | | | | | | | | | | Stoke | 17 Jun 23 | |
| 419 | 43.5 | | | 42.98 | | Maya Watson | U15 | -10 | | South London | Guildford | 17 Jun 23 | |
| 419 | 43.5 | | | 43.72/43.5 | PB | Lily King | U17 | -7 | Christine Taylor | Epsom & Ewell | Kingston | 5 Aug 23 | |
| 419 | 43.5 | | | 43.22 | | Lilia Mico | U17 | -7 | Geoff Aston | Worcester | Worcester | 3 Sep 23 | |
| 427 | 43.51 | | | 43.51 | PB | Hollie-Anne Sudder | U15 | -9 | Daniel Njai-Rowney | Blyth | Shildon | 21 May 23 | |
| 427 | 43.51 | | | 43.51 | PB | Olivia Morgan | U15 | -9 | Mark Gold | Cardiff Archers | Cardiff | 10 Jun 23 | |
| 427 | 43.51 | i | | 43.51i | PB | Princess Iwelu | U15 | -9 | Les Hall | Bolton | Sportcity | 17 Dec 23 | |
| 430 | 43.52 | | | 43.26 | | Megan McKay | U17 | -8 | | Edinburgh AC | Aberdeen | 28 May 23 | |
| 430 | 43.52 | | | 43.52 | PB | N Chadokuta | U15 | -8 | | Essex Schs | Grays | 10 Jun 23 | |
| 432 | 43.53 | | | 42.97 | | Amelie McGurk | U20 | -6 | David Churcher | Chichester | Worthing | 13 Jun 23 | |
| 433 | 43.55 | | | 43.55 | PB | Fura Mabengi | U17 | -6 | | Notts | Birmingham | 25 Jun 23 | |
| 433 | 43.55 | i | | 42.35i | | Lydia Morris | U23 | -3 | Martin Bullock | Manx | Sportcity | 10 Dec 23 | |
| 435 | 43.56 | | | 43.56 | PB | Libby Cree | U15 | -8 | | Wakefield | Stretford | 29 May 23 | |
| 435 | 43.56 | | | 41.28 | | Chloe Kornevall | U23 | -3 | David Leach | Lewes | Worthing | 13 Jun 23 | |
| 435 | 43.56 | | | 43.56 | PB | Anya Brady | U17 | -8 | Darryn McAtee | Newport H | Aberdare | 12 Jul 23 | |
| 435 | 43.56 | | | 42.89 | | Matilda Frew | U15 | -9 | Niall Walker | East Kilbride | Livingston | 1 Sep 23 | |
| 439 | 43.57 | | | 42.77 | | Eloise Scott | U17 | -7 | | Lasswade | Grangemouth | 13 May 23 | |
| 439 | 43.57 | | | 43.57 | PB | Grace Callaghan | U17 | -7 | | Derry Track | Antrim | 20 May 23 | |
| 439 | 43.57 | | | 43.01 | | Freya Woodhead | U17 | -8 | | Bideford | Plymouth | 21 May 23 | |
| 439 | 43.57 | | | 43.40 | | Corinne Newton | U17 | -8 | | Bury | Stretford | 10 Jun 23 | |
| 443 | 43.60 | | | 43.60 | PB | Blessing Kubula | U17 | -6 | | Notts | Rugby | 28 May 23 | |
| 443 | 43.60 | | | 42.86/42.7 | | Tiana Odugbesan | U15 | -10 | Phillip Warwicker | Cardiff Archers | Cardiff | 24 Jun 23 | |
| 443 | 43.60 | | | 43.60 | PB | Emily Bailey | U17 | -8 | Sarah Robinson | Basildon | Gillingham | 25 Jun 23 | |
| 443 | 43.60 | i | | 42.30 | | Lois Melling | U15 | -11 | Peter Crook | Preston | Sportcity | 10 Dec 23 | |
| 447 | 43.6 | | | 43.6 | PB | Seren Melling | U17 | -6 | | Harrogate | Shildon | 23 Apr 23 | |
| 447 | 43.6 | | | 43.98i/43.6 | PB | Delilah Dempsey | U17 | -8 | Shaun Ainge | Cannock & Stafford | Stoke | 13 May 23 | |
| 447 | 43.6 | | | 43.6 | PB | Bella Richards | U15 | -8 | | Burton | Burton | 3 Jun 23 | |
| 447 | 43.6 | | | 44.17/43.6 | PB | Grace Berry | U17 | -8 | | Aldershot, Farnham & District | Portsmouth | 10 Jun 23 | |
| 447 | 43.6 | | | 42.87/42.7 | | Rosie Tyler | U15 | -9 | | Burton | Mansfield | 8 Jul 23 | |
| 447 | 43.6 | | | 43.86/43.2 | | Maia Thompson | U17 | -7 | James Wright | Rugby & Northampton | Kettering | 16 Jul 23 | |
| 43.99 | | | | | | | | | | Nottingham | 30 Apr 23 | |
| 447 | 43.6 | | | 41.5 | | Imogen Hill | U15 | -8 | Karen Hill | Sale Harriers Manchester | Blackburn | 22 Jul 23 | |
| 454 | 43.61 | | | 43.61 | PB | Ellie Oscroft | U15 | -9 | | Chesterfield | Derby | 29 Apr 23 | |
| 455 | 43.62 | | | 41.71 | | Ella Newman | U20 | -6 | Paul Herrington | Reading AC | Eton | 16 Apr 23 | |
| 455 | 43.62 | | | 41.61/41.4 | | Grace Bomba | U15 | -10 | | Liverpool H | Stretford | 7 May 23 | |
| 455 | 43.62 | | | 41.70 | | Millie Wick | U15 | -10 | Gary Clark | Liverpool H | Liverpool | 14 May 23 | |
| 455 | 43.62 | | | 40.31 | | Holly Whittaker | U15 | -8 | | Elgin | Inverness | 20 May 23 | |
| 459 | 43.63 | | | 43.63 | PB | Sarah Amuwa | U15 | -9 | | Middlesex Schs | Lee Valley | 10 Jun 23 | |
| 459 | 43.63 | | | 43.38i | | Tia Raffan | U15 | -9 | | Aberdeen | Dundee | 2 Jul 23 | |
| 461 | 43.64 | | | 43.02 | | Annabella Drake | U15 | -9 | Tamar Green-King | Havering | Hornchurch | 2 Jul 23 | |
| 462 | 43.65 | | | 41.31 | | Lucy Jones | U17 | -8 | Philip Jones | Wrexham | Warrington | 15 Apr 23 | |
| 462 | 43.65 | | | 43.65 | PB | Aimee Phillips | U17 | -6 | Andrew Fraser | Wirral | Ellesmere Port | 13 May 23 | |
| 462 | 43.65 | | | 42.68i | | Dina Silverman | U17 | -8 | Ty Holden | Shaftesbury Barnet | Reading | 28 May 23 | |
| 465 | 43.66 | | | 43.66/43.4 | PB | Katie Kelly | U17 | -7 | Cyril Jones | Pontefract | Cudworth | 13 May 23 | |
| 466 | 43.67 | | | 43.67 | PB | Lauren Grains | U17 | -6 | | Shetland | Grangemouth | 12 Aug 23 | |
| 466 | 43.67 | | | 42.15 | | Maddie Kingston | U15 | -9 | Colin Mitchell | Abingdon | Horspath | 10 Sep 23 | |
| 468 | 43.68 | i | | 43.68i | PB | Tallulah Ndikanwu | U17 | -6 | Jay Galley | Blackheath & Bromley | Lee Valley | 19 Mar 23 | |
| 468 | 43.68 | | | 43.68 | PB | Sasha Bartalotta | U15 | -9 | | Salford H | Stretford | 7 May 23 | |
| 468 | 43.68 | | | 43.68 | PB | Eve Chalmers | U17 | -7 | | Edinburgh AC | Aberdeen | 28 May 23 | |
| 468 | 43.68 | | | 43.68 | PB | Orla Enright | U15 | -9 | Barry Hearn | Marshall Milton Keynes | Horspath | 2 Aug 23 | |
| 472 | 43.69 | | | 42.71 | | Lily-Anne Keogh | U17 | -7 | Keith Newton | City of Salisbury | Bournemouth | 26 Mar 23 | |
| 472 | 43.69 | | | 43.69 | PB | Beth Regan | U15 | -8 | Jay Galley | Blackheath & Bromley | Bromley | 14 May 23 | |
| 474 | 43.70 | | | 43.70 | PB | Libby Hammond | U17 | -7 | Andrew Harrison | Darlington H | Middlesbrough | 14 May 23 | |
| 474 | 43.70 | | | 43.50 | | Bethany Botheras | U17 | -8 | | Herts Phoenix | Hornchurch | 2 Jul 23 | |
| 476 | 43.7 | | | 42.25 | | Ava Bourton | U15 | -10 | Brian Darby | Coventry | Nuneaton | 10 Jun 23 | |
| 476 | 43.7 | | | 43.92/43.7 | PB | Lissy Whitmore-Benjamin | U15 | -10 | | Hereford & Worcester Schs | Stourport | 10 Jun 23 | |
| 43.92 | | | | | | | | | | Stoke | 17 Jun 23 | |
| 476 | 43.7 | | | 41.55 | | Stephanie Smith | U15 | -10 | Mark Smith | Brentwood Beagles | Chelmsford | 16 Jul 23 | |
| 479 | 43.72 | | | 43.72/43.7 | PB | Adeola Arole | U15 | -10 | | City of Norwich | Nuneaton | 3 Jul 23 | |
| 480 | 43.73 | | | 41.61 | | Martha Orr | U17 | -7 | Ian Neely | Orangegrove | Antrim | 29 Apr 23 | |
| 480 | 43.73 | i | | 42.46/42.4 | | Nia Myers | U20 | -5 | Mark Goode | Notts | Sheffield | 9 Dec 23 | |
| 482 | 43.74 | | | 43.11 | | Ava Oldfield | U15 | -9 | | Thames Valley | Perivale | 7 May 23 | |
| 483 | 43.75 | | | 43.75 | PB | Isobel Madden | U15 | -9 | | City of York | York | 23 Aug 23 | |
| 484 | 43.76 | i | | 43.76i | PB | Millie Walton | U20 | -5 | Andy Bibby | Preston | Sportcity | 12 Mar 23 | |
| 485 | 43.77 | | | 43.61 | | Naideen Dailly | U17 | -7 | | North Ayrshire | Ayr | 27 Aug 23 | |
| 486 | 43.78 | | | 43.78 | PB | Sarah Loades | V45 | 28 | Jamie McLoughlin | Bracknell AC | Winchester | 31 May 23 | |
| 487 | 43.79 | i | | 42.50/42.4 | | Megan Barlow | U17 | -7 | Mike Reeves | Blackheath & Bromley | Lee Valley | 19 Mar 23 | |
| 487 | 43.79 | | | 42.66/42.6 | | Francesca Weal | U15 | -10 | | Guildford & Godalming | Winchester | 31 May 23 | |
| 487 | 43.79 | | | 43.79 | PB | Nicole Newman-Howe | U17 | -8 | | Rugby & Northampton | Birmingham | 25 Jun 23 | |
| 487 | 43.79 | | | 43.79 | PB | Jasmyn Brewster | U17 | -6 | | Croydon | Gillingham | 25 Jun 23 | |
| 487 | 43.79 | | | 43.79 | PB | Ellis Woolley | U17 | -7 | Andrew Beadle | Cheltenham | Aberdare | 2 Jul 23 | |
| 487 | 43.79 | | | 43.79 | PB | Ellie Morris | U17 | -6 | Luke Morris | Blaenau Gwent | Aberdare | 2 Jul 23 | |
| 493 | 43.80 | | | 43.80 | PB | Aoife McAuley | U17 | -7 | Leanne Wellings | Wycombe | Horspath | 13 May 23 | |
| 493 | 43.80 | | | 43.80 | PB | Josephine Perrin | U17 | -7 | Vanessa Hammett | Kingston & Poly | Kingston | 10 Jun 23 | |
| 493 | 43.80 | | | 43.80 | PB | Posie Shaw | U15 | -8 | | Shaftesbury Barnet | Finsbury Park | 24 Jun 23 | |
| 496 | 43.8 | | | 43.8 | PB | Ariana Clarke | U15 | -9 | | Cambridge H | Bromley | 29 Apr 23 | |
| 496 | 43.8 | | | 45.83/43.8 | PB | Faye Gribbin | U15 | -10 | | Bury | Bury | 3 Jun 23 | |
| 496 | 43.8 | | | 43.81/43.8 | PB | Elsie Whyman | U15 | -8 | | Crawley | Brighton | 16 Jun 23 | |
| 496 | 43.8 | | | 43.8 | PB | Isabel Weekes | U17 | -7 | | Leigh | Carlisle | 25 Jun 23 | |
| 496 | 43.8 | | | 43.38 | | Isobel Davies | U15 | -10 | Steve Knight | Cardiff | Cardiff | 8 Jul 23 | |
| 43.81 | | | | | | | | | | Cardiff | 10 Jun 23 | |
| 496 | 43.8 | | | 45.55/43.8 | PB | Lilia Killourhey | U15 | -9 | | Yate | Cardiff | 8 Jul 23 | |
| 496 | 43.8 | | | 44.08/42.2 | | Ezrah Harrold | U15 | -10 | David Fewell | Chelmsford | Chelmsford | 16 Jul 23 | |
| 496 | 43.8 | | | 45.21/43.8 | PB | Onyebuchi Odiaka | U17 | -8 | Ty Holden | Shaftesbury Barnet | Chelmsford | 16 Jul 23 | |
| 496 | 43.8 | | | 42.67 | | Gabriella Pitman | U15 | -9 | | Bournemouth | Swindon | 16 Jul 23 | |
| 496 | 43.8 | | | 44.70/43.8 | PB | Georgia Tongue | U15 | -10 | | St. Albans AC | Basildon | 6 Aug 23 | |
| 496 | 43.8 | | | 43.85/43.8 | PB | Leonie Dyer | U15 | -8 | David Bee | City of Plymouth | Carn Brea | 10 Sep 23 | |
| 507 | 43.81 | i | | 42.99i | | Nia Parry | U17 | -7 | | Newport H | Cardiff | 5 Feb 23 | |
| 507 | 43.81 | | | 43.33 | | Jessica Page | U15 | -10 | | Havering | Stevenage | 21 May 23 | |
| 507 | 43.81 | | | 43.81 | PB | Charlotte Bell | U15 | -8 | Christopher Brown | Stroud | Swindon | 10 Jun 23 | |
| 507 | 43.81 | | | 43.66 | | Charlotte Doney | U15 | -8 | | Tavistock | Exeter | 30 Jul 23 | |
| 511 | 43.83 | | | 41.90 | | Rowan Calveley | U17 | -8 | | Central | Grangemouth | 9 Jun 23 | |
| 512 | 43.84 | | | 43.84 | PB | Madeleine MacKenzie | U17 | -7 | | Giffnock North | Crownpoint | 30 Apr 23 | |
| 512 | 43.84 | | | 43.84 | PB | Florence White | U17 | -8 | | Epsom & Ewell | Kingston | 13 May 23 | |
| 512 | 43.84 | | | 43.45 | | Beth Campbell | U17 | -8 | | Victoria Park City of Glasgow | Grangemouth | 9 Jun 23 | |
| 515 | 43.85 | i | | 43.85i | PB | Naana Adusei | V40 | 22 | | Sale Harriers Manchester | Sportcity | 12 Mar 23 | |
| 515 | 43.85 | | | 43.85 | PB | Daisy Davies | U17 | -8 | Annette Weale | Yeovil | Yeovil | 13 May 23 | |
| 515 | 43.85 | | | 43.85 | PB | Melissa Granada | U17 | -8 | | Team Hounslow | Lee Valley | 10 Jun 23 | |
| 518 | 43.87 | | | 43.75 | | Lydia Eastwood | U15 | -10 | | Harrogate | York | 10 Sep 23 | |
| 519 | 43.88 | | | 41.70 | | Isobel Jordan | U15 | -9 | Andrew Fisher | Winchester | Winchester | 5 Jul 23 | |
| 520 | 43.89 | | | 43.37 | | Ariana Jenner-Heard | U15 | -9 | | Blackheath & Bromley | Bromley | 12 Jun 23 | |
| 521 | 43.90 | i | | 43.39i | | Non Elen Redvers Jones | U20 | -4 | Barry Edwards | Menai | Sportcity | 12 Mar 23 | |
| 521 | 43.90 | | | 42.93 | | Sophie Wright | U15 | -9 | James McDonald | Herne Hill | Kingston | 14 May 23 | |
| 521 | 43.90 | | | 43.90 | PB | Lyra Macdonald | U17 | -8 | Cornelia Abe-Minale | Victoria Park & Tower Hamlets | Mile End | 28 May 23 | |
| 524 | 43.9 | | | 43.6 | | Kirsty Darroch | U15 | -8 | | Berkshire Schs | Reading | 10 Jun 23 | |
| 524 | 43.9 | | | 44.01/43.9 | PB | Chanelle Blissett | U15 | -9 | | Birchfield H | Coventry | 8 Jul 23 | |
| 524 | 43.9 | | | 44.28/43.9 | PB | Beatriz Maulicino | U15 | -9 | | Herne Hill | Tooting Bec | 22 Jul 23 | |
| 527 | 43.91 | i | | 41.54i | | Emily Stanford | U15 | -10 | | Central | Emirates Arena | 31 Jan 23 | |
| 44.0 | | | | | | | | | | Grangemouth | 27 Aug 23 | |
| 527 | 43.91 | | | 43.91 | PB | Phoebe Moncur | | 1 | | Dundee Hawkhill | Aberdeen | 9 Apr 23 | |
| 529 | 43.92 | | | 42.45 | | Beth Takieddine | U15 | -10 | | City of York | York | 23 Aug 23 | |
| 530 | 43.93 | | | 43.93 | PB | Neve Bachelor | U17 | -6 | | Tonbridge | Bromley | 15 Apr 23 | |
| 531 | 43.94 | | | 43.94 | PB | Ella Spencer | U17 | -7 | John Dill | Swindon | Swindon | 10 Sep 23 | |
| 532 | 43.96 | | | 43.46 | | Isabel Pauling | U15 | -8 | Jay Galley | Blackheath & Bromley | Bromley | 12 Jun 23 | |
| 533 | 43.97 | | | 43.97 | PB | Olivia Monk | U17 | -7 | James Wright | Rugby & Northampton | Nuneaton | 10 Sep 23 | |
| 534 | 43.98 | i | | 43.98i | PB | Melissa Bills | U23 | -3 | | Border | Sportcity | 12 Mar 23 | |
| 535 | 43.99 | | | 43.64 | | Martha Challis | U15 | -8 | Daniel Brooker | Brighton & Hove | Crawley | 14 May 23 | |
| 536 | 44.00 | | | 44.00 | PB | India Blakey | U17 | -7 | James McDonald | Herne Hill | Tooting Bec | 27 May 23 | |
| 537 | 44.0 | | | 44.0 | PB | Maia Morrell | U17 | -8 | Danny Morrell | South London | Guildford | 17 Jun 23 | |
| 537 | 44.0 | | | 42.53/42.3 | | Lucy Allright | U15 | -9 | | Andover | Horspath | 25 Jun 23 | |
| 537 | 44.0 | | | 45.42/44.0 | PB | Cara Llwyd Roberts | U17 | -8 | | Colwyn Bay | Stockport | 25 Jun 23 | |
| 537 | 44.0 | | | 44.28/44.0 | PB | Nina Blackburn | U15 | -9 | | Yate | Cardiff | 8 Jul 23 | |
| 40.97 | i | | 40.97i | PB | Gina Akpe-Moses | | 2 | TJ Ossai | Birchfield H | Lee Valley | 10 Dec 23 | |
| 41.30 | i | | 39.28 | | Ioana-Rebecca Andrei | U23 | -3 | Jake Awe | Luton | Lee Valley | 2 Jan 23 | |
| 41.87 | i | | 41.87i | PB | Cara Murphy | U23 | -3 | | Birmingham Uni | Cardiff | 6 Dec 23 | |
| 42.14 | i | | 42.14i | PB | Annette Quaid | V45 | 24 | | Tynedale | Sheffield | 29 Dec 23 | |
| 42.40 | i | | 42.30i | | Grace Majer | U20 | -4 | Mike Bennett | | Sheffield | 9 Dec 23 | |
| 42.53 | | | 40.91 | | Vanessa Ansuaa | U23 | -3 | Craig Andrew | Shaftesbury Barnet | Lee Valley | 1 Apr 23 | |
| 42.6 | i | | 43.29i/42.3 | | Laura Frey | | 12 | | Windsor Slough Eton & Hounslow | Athlone, IRL | 1 Feb 23 | |
| 43.7 | | | 44.25/43.7 | PB | Leila Hidmi | U17 | -8 | | AIS (Dubai) | Hemel Hempstead | 16 Jul 23 | |
| 43.88 | i | | 43.88i | PB | Augusta Moldovan | V35 | 17 | | Braintree | Lee Valley | 12 Mar 23 | |