(1) | 24.6 | | Janis Walsh | (Mitcham AC) | 1 FINAL | Motspur Park | 18 May 1974 |
(2) | 24.82/+2.6 | | Holly Ryan | (Shaftesbury Barnet Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(3) | 25.0/+8.0 | | Lynne Draper | (Redhill & Reigate AC) | 1 FINAL | Motspur Park | 16 May 1981 |
(4) | 25.1/+0.1 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Tooting Bec | 17 May 1987 |
(5) | 25.2 | | Janis Walsh | (Mitcham AC) | 1 S-FINAL 1 | Wimbledon Park | 15 May 1974 |
(6) | 25.3/-0.3 | | Donna Fraser | (Croydon Harriers) | 1 HEAT 1 | Tooting Bec | 16 May 1987 |
(7) | 25.34/0.3 | | Gracelyn Kendeck | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(8) | 25.38/+2.6 | | Shivelle Marshall | (Croydon Harriers) | 2 FINAL | Kingsmeadow Stadium | 11 May 2024 |
| 25.38/+0.2 | | Shivelle Marshall | (Croydon Harriers) | 1 HEAT 5 | Kingsmeadow Stadium | 11 May 2024 |
(10) | 25.4w/(+4.1) | | Bernadette Ross | (Mitcham AC) | 1 FINAL | Motspur Park | 15 May 1982 |
(11) | 25.41/-0.7 | | Maya Bruney | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2012 |
| 25.41/+1.2 | | Rhiannon Gayle | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(13) | 25.48/-0.7 | | Holly Ryan | (Shaftesbury Barnet Harriers) | 1 S-FINAL 1 | Kingsmeadow Stadium | 11 May 2024 |
(14) | 25.5w/+2.7 | | Donna Fraser | (Croydon Harriers) | 1 S-FINAL 1 | Tooting Bec | 16 May 1987 |
(15) | 25.54/-0.1 | | Kayla Bowley | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(16) | 25.63/-0.7 | | Imani Lansiquot | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 12 May 2012 |
(17) | 25.64/-0.7 | | Shivelle Marshall | (Croydon Harriers) | 2 S-FINAL 1 | Kingsmeadow Stadium | 11 May 2024 |
(18) | 25.67/-0.7 | | Ashleigh Clarke | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 12 May 2012 |
(19) | 25.68/-0.1 | | Racheal Largie-Poleon | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(20) | 25.7 | | Marcia van Frederici | (Mitcham AC) | 1 S-FINAL 2 | Motspur Park | 15 May 1976 |
| 25.7 | | Janet Smith | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 19 May 1983 |
(22) | 25.71/+0.2 | | Holly Ryan | (Shaftesbury Barnet Harriers) | 2 HEAT 5 | Kingsmeadow Stadium | 11 May 2024 |
(23) | 25.73 | | Twinelle Hopeson | (Archbishop Tennison School, Croydon) | 1 FINAL | Kingsmeadow Stadium | 13 May 2006 |
| 25.73/-2.0 | | Ashleigh Clarke | (Croydon Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 12 May 2012 |
| 25.73/0.0 | | Ella Rennie | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(26) | 25.76/-0.6 | | Charlotte Cole | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2005 |
| 25.76/+1.0 | | Kayla Bowley | (Croydon Harriers) | 1 S-FINAL 1 | Kingsmeadow Stadium | 14 May 2016 |
(28) | 25.8 | | Janis Walsh | (Mitcham AC) | 1 HEAT 1 | Wimbledon Park | 15 May 1974 |
| 25.8 | | Elaine Mitchell | (Selsonia Ladies AC) | 1 FINAL | Motspur Park | 12 May 1979 |
| 25.8 | | Lynne Draper | (Redhill & Reigate AC) | 1 S-FINAL 2 | Motspur Park | 13 May 1981 |
| 25.8/+8.0 | | Bernadette Ross | (Mitcham AC) | 2 FINAL | Motspur Park | 16 May 1981 |
| 25.8w/(+4.1) | | Janet Smith | (Mitcham AC) | 2 FINAL | Motspur Park | 15 May 1982 |
| 25.8w/+3.0 | | Donna Fraser | (Croydon Harriers) | 1 FINAL | Motspur Park | 17 May 1986 |
| 25.8/+0.2 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 1 FINAL | Croydon Arena | 11 May 1996 |
(35) | 25.81/+0.8 | | Rhiannon Gayle | (Croydon Harriers) | 1 S-FINAL 1 | Kingsmeadow Stadium | 23 May 2015 |
(36) | 25.82/-1.9 | | Maya Bruney | (Blackheath & Bromley Harriers AC) | 1 HEAT 1 | Kingsmeadow Stadium | 12 May 2012 |
(37) | 25.83/-0.1 | | Cara Russell | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| 25.83/0.3 | | Ella Rennie | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(39) | 25.87/-2.7 | | Maya Bruney | (Blackheath & Bromley Harriers AC) | 1 S-FINAL 1 | Kingsmeadow Stadium | 12 May 2012 |
(40) | 25.9 | | Jackie Harman | (unattached) | 1 S-FINAL 1 | Motspur Park | 13 May 1981 |
| 25.9 | | Anisha Barnaby | (Blackheath Harriers) | 1 FINAL | Kingsmeadow Stadium | 27 July 1997 |
(42) | 25.93/-0.6 | | Lizzie Cave | (Aldershot, Farnham & District AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2005 |
(43) | 26.0 | | Elaine Mitchell | (Selsonia Ladies AC) | 1 S-FINAL 1 | Motspur Park | 12 May 1979 |
| 26.0w/+2.1 | | Donna Fraser | (Croydon Harriers) | 1 S-FINAL 3 | Motspur Park | 17 May 1986 |
| 26.0/+0.4 | | Sarah Zawada | (Aldershot, Farnham & District AC) | 1 HEAT 1 | Croydon Arena | 11 May 1996 |
| 26.00/-0.6 | | Twinelle Hopeson | (Archbishop Tennison School, Croydon) | 3 FINAL | Kingsmeadow Stadium | 14 May 2005 |
| 26.00/-1.2 | | Twinelle Hopeson | (Archbishop Tennison School, Croydon) | 1 HEAT 1 | Kingsmeadow Stadium | 13 May 2006 |
| 26.00/-1.9 | | Kayla Bowley | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2016 |
(49) | 26.01/-1.4 | | Isabella Akpoveta | (Crawley AC) | 1 S-FINAL 1 | Kingsmeadow Stadium | 13 May 2023 |
(50) | 26.02/-1.3 | | Rhiannon Gayle | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
| 26.02/+2.6 | | Saray-Destiny Crosdale | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 11 May 2024 |
| 26.02/+2.6 | | Ella Clark | (Crawley AC) | 4 FINAL | Kingsmeadow Stadium | 11 May 2024 |
(53) | 26.04/-2.0 | | Imani Lansiquot | (Sutton & District AC) | 2 S-FINAL 2 | Kingsmeadow Stadium | 12 May 2012 |
(54) | 26.05/-0.4 | | Charmont Webster-Tape | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(55) | 26.06/-1.6 | | Imani Lansiquot | (Sutton & District AC) | 1 HEAT 2 | Kingsmeadow Stadium | 12 May 2012 |
(56) | 26.07/+1.2 | | Lakeisha Owusu-Junior | (Herne Hill Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 23 May 2015 |
| 26.07/0.0 | | Isabella Akpoveta | (Crawley AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(58) | 26.09/-0.4 | | Ellie Grove | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(59) | 26.1/+1.7 | | Margaret Beksinska | (Sutton & Cheam Harriers) | 1 FINAL | Motspur Park | 15 May 1976 |
| 26.1 | | Sandra French | (Feltham AC) | 1 FINAL | Motspur Park | 13 May 1978 |
| 26.1/0.0 | | Annabel Soper | (Croydon Harriers) | 1 FINAL | Motspur Park | 18 May 1985 |
| 26.1 | | Anisha Barnaby | (Blackheath Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 27 July 1997 |
| 26.1/-0.9 | | Charli Croll | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 1999 |
(64) | 26.16/-2.0 | | Lucy Hoad | (Reigate Priory AC) | 1 S-FINAL 1 | Kingsmeadow Stadium | 25 May 2013 |
(65) | 26.17/-0.3 | | Charmont Webster-Tape | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 24 May 2014 |
| 26.17/+0.5 | | Charmont Webster-Tape | (Sutton & District AC) | 1 S-FINAL 1 | Kingsmeadow Stadium | 24 May 2014 |
| 26.17/+0.9 | | Saray-Destiny Crosdale | (Croydon Harriers) | 1 S-FINAL 3 | Kingsmeadow Stadium | 11 May 2024 |
(68) | 26.19/-1.4 | | Ella Rennie | (Herne Hill Harriers) | 2 S-FINAL 1 | Kingsmeadow Stadium | 13 May 2023 |
(69) | 26.2 | | Marcia van Frederici | (Mitcham AC) | 1 HEAT 1 | Motspur Park | 12 May 1976 |
| 26.2 | | Margaret Beksinska | (Sutton & Cheam Harriers) | 1 FINAL | Motspur Park | 14 May 1977 |
| 26.2 | | Lynne Draper | (Redhill & Reigate AC) | 1 FINAL | Motspur Park | 17 May 1980 |
| 26.2/+0.1 | | S Glover | (Mitcham & Sutton AC) | 2 FINAL | Tooting Bec | 17 May 1987 |
| 26.2 | | S Zawada | (Aldershot, Farnham & District AC) | 1 HEAT 1 | Stompond Lane, Walton | 1 July 1995 |
| 26.2/+2.3 | | Camilla Harkness | (Guildford & Godalming AC) | 1 HEAT 1 | Kingsmeadow Stadium | 13 May 2001 |
| 26.2/+1.4 | | Camilla Harkness | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2001 |
(76) | 26.21/0.0 | | Lakeisha Owusu-Junior | (Herne Hill Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
(77) | 26.22/-1.9 | | Lucy Hoad | (Reigate Priory AC) | 1 FINAL | Kingsmeadow Stadium | 25 May 2013 |
(78) | 26.26/+0.5 | | Ellie Grove | (Guildford & Godalming AC) | 2 S-FINAL 1 | Kingsmeadow Stadium | 24 May 2014 |
(79) | 26.27/+0.9 | | Racheal Largie-Poleon | (Croydon Harriers) | 1 S-FINAL 2 | Kingsmeadow Stadium | 13 May 2017 |
(80) | 26.28/+1.2 | | Lakeisha Owusu-Junior | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(81) | 26.29/-1.2 | | Jessie Knight | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 2008 |
| 26.29/0.0 | | Hazel Ashby | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 2009 |
| 26.29/+2.4 | | Saray-Destiny Crosdale | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 11 May 2024 |
(84) | 26.3 | | Margaret Beksinska | (Sutton & Cheam Harriers) | 1 HEAT 3 | Motspur Park | 11 May 1977 |
| 26.3/+8.0 | | Jackie Harman | (unattached) | 3 FINAL | Motspur Park | 16 May 1981 |
| 26.3/-3.2 | | Janet Smith | (Mitcham AC) | 1 S-FINAL 2 | Motspur Park | 15 May 1982 |
| 26.3/-0.6 | | Donna Fraser | (Croydon Harriers) | 1 HEAT 1 | Motspur Park | 15 May 1986 |
| 26.3w/+2.1 | | S Glover | (Mitcham & Sutton AC) | 1 S-FINAL 2 | Tooting Bec | 16 May 1987 |
| 26.3/+0.4 | | S Shepherd | (Camberley & District AC) | 1 FINAL | Tooting Bec | 20 May 1989 |
| 26.3 | | Anastasia Hounslow | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 27 July 1997 |
| 26.3/+0.5 | | Chloe Walcott | (Sutton & District AC) | 1 HEAT 2 | Kingsmeadow Stadium | 13 May 2001 |
| 26.3/+1.4 | | Zerlina Klu | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2001 |
| 26.30/+0.4 | | Donna Walker | (South London Harriers) | 1 FINAL | Kingsmeadow Stadium | 11 May 2002 |
(94) | 26.31/-1.7 | | Tumininu Araga | (Woking AC) | 1 S-FINAL 2 | Kingsmeadow Stadium | 14 May 2016 |
(95) | 26.32/+1.0 | | Toni Bryan | (Croydon Harriers) | 2 S-FINAL 1 | Kingsmeadow Stadium | 14 May 2016 |
(96) | 26.33/-1.6 | | Ashleigh Clarke | (Croydon Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 12 May 2012 |
(97) | 26.36/-0.9 | | Lucy Hoad | (Reigate Priory AC) | 1 HEAT 1 | Kingsmeadow Stadium | 25 May 2013 |
(98) | 26.37/+0.1 | | Ellie Grove | (Guildford & Godalming AC) | 1 HEAT 4 | Kingsmeadow Stadium | 24 May 2014 |
| 26.37/-1.9 | | Cara Russell | (Herne Hill Harriers) | 1 HEAT 3 | Kingsmeadow Stadium | 13 May 2017 |
(100) | 26.38/-0.1 | | Tumininu Araga | (Woking AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2016 |
|
100 performances of 26.38 or better. |