(1) | 36.04 | CBP | George Sudderick | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2018 |
(2) | 36.24 | CBP + Sy Rec | Joseph Massimo | (Crawley AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(3) | 36.63 | | Israel Ospina | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(4) | 36.75 | | Adam Bator-Brown | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(5) | 36.85 | | George Sudderick | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(6) | 36.92 | | Micah Salmon | (Croydon Harriers) | 1 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(7) | 37.24 | | Elliott Turbin | (Hercules Wimbledon AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2022 |
| 37.24 | | Micah Salmon | (Croydon Harriers) | 1 HEAT 1 | Kingsmeadow Stadium | 11 May 2024 |
(9) | 37.29 | | Rory Payn | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(10) | 37.38 | | Adam Bator-Brown | (Guildford & Godalming AC) | 1 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
(11) | 37.39 | CBP | Tom Harmsworth | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 25 May 2013 |
(12) | 37.54 | CBP | Joseph Massimo | (Crawley AC) | 1 HEAT 2 | Kingsmeadow Stadium | 24 May 2014 |
(13) | 37.55 | | Jack Whishaw | (Sutton & District AC) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(14) | 37.59 | | Frederick Hake | (Herne Hill Harriers) | 2 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(15) | 37.60 | | Ryen Rennie | (Blackheath & Bromley Harriers AC) | 3 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(16) | 37.65 | | Eashan Patel | (Walton AC) | 2 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(17) | 37.66 | | Elliott Turbin | (Hercules Wimbledon AC) | 1 HEAT 2 | Kingsmeadow Stadium | 14 May 2022 |
(18) | 37.77 | | George Mears | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(19) | 37.81 | | Israel Ospina | (Croydon Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 14 May 2016 |
(20) | 37.84 | | Shemar Ferguson | (Sutton & District AC) | 3 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(21) | 37.87 | | Sebastian Fox | (Sutton & District AC) | 2 HEAT 2 | Kingsmeadow Stadium | 14 May 2022 |
(22) | 37.95 | | George Mears | (Guildford & Godalming AC) | 1 HEAT 1 | Kingsmeadow Stadium | 23 May 2015 |
(23) | 38.02 | | Eashan Patel | (Walton AC) | 1 HEAT 2 | Kingsmeadow Stadium | 11 May 2024 |
(24) | 38.07 | | Rory Payn | (Sutton & District AC) | 2 HEAT 2 | Kingsmeadow Stadium | 14 May 2016 |
(25) | 38.08 | | Sebastian Fox | (Sutton & District AC) | 4 FINAL | Kingsmeadow Stadium | 14 May 2022 |
(26) | 38.25 | | Joshua Pearson | (Windsor, Slough, Eton & Hounslow AC) | 1 HEAT 3 | Kingsmeadow Stadium | 14 May 2016 |
(27) | 38.28 | | Joshua Pearson | (Windsor, Slough, Eton & Hounslow AC) | 3 FINAL | Kingsmeadow Stadium | 14 May 2016 |
(28) | 38.31 | | Turkay Korkmaz | (Herne Hill Harriers) | 4 FINAL | Kingsmeadow Stadium | 23 May 2015 |
(29) | 38.33 | | Keeran Sriskandarajah | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(30) | 38.36 | | Kalvyn Mills | (Croydon Harriers) | 3 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(31) | 38.41 | | Jon Goldston | (Herne Hill Harriers) | 1 HEAT 2 | Kingsmeadow Stadium | 31 July 2021 |
(32) | 38.46 | | Shemar Ferguson | (Sutton & District AC) | 2 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
| 38.46 | | Matthew Wehrle | (Hercules Wimbledon AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(34) | 38.48 | CBP | Jack Whishaw | (Sutton & District AC) | 1 HEAT 1 | Kingsmeadow Stadium | 24 May 2014 |
(35) | 38.52 | | Tommaso Crosara | (Hercules Wimbledon AC) | 4 FINAL | Kingsmeadow Stadium | 12 May 2024 |
(36) | 38.54 | | Philip Matthews | (Epsom & Ewell Harriers) | 3 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(37) | 38.64 | | Philip Matthews | (Epsom & Ewell Harriers) | 2 HEAT 2 | Kingsmeadow Stadium | 24 May 2014 |
(38) | 38.65 | | Turkay Korkmaz | (Herne Hill Harriers) | 3 HEAT 2 | Kingsmeadow Stadium | 23 May 2015 |
(39) | 38.69 | | Joseph Massimo | (Crawley AC) | 2 FINAL | Kingsmeadow Stadium | 25 May 2013 |
(40) | 38.7 | | George Sudderick | (Walton AC) | 1 HEAT 2 | Kingsmeadow Stadium | 12 May 2018 |
(41) | 38.73 | | Sam Bishop | (Walton AC) | 4 FINAL | Kingsmeadow Stadium | 14 May 2016 |
| 38.73 | | Kalvyn Mills | (Croydon Harriers) | 1 HEAT 3 | Kingsmeadow Stadium | 11 May 2024 |
(43) | 38.77 | | Yasser Qureshi | (Sutton & District AC) | 4 FINAL | Kingsmeadow Stadium | 24 May 2014 |
(44) | 38.81 | | Shad-Juan Bryan-Gray | (South London Harriers) | 2 FINAL | Kingsmeadow Stadium | 13 May 2023 |
(45) | 38.84 | | Ryen Rennie | (Blackheath & Bromley Harriers AC) | 1 HEAT 1 | Kingsmeadow Stadium | 14 May 2022 |
(46) | 38.86 | CBP | Ocean Schwartz | (Holland Sports AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2012 |
(47) | 38.87 | | George Asprey | (Aldershot, Farnham & District AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
(48) | 38.93 | | Shawn Bell | (Hercules Wimbledon AC) | 2 FINAL | Kingsmeadow Stadium | 31 July 2021 |
(49) | 38.94 | | Yasser Qureshi | (Sutton & District AC) | 3 HEAT 2 | Kingsmeadow Stadium | 24 May 2014 |
(50) | 39.01 | | Samuel Tsolo | (Epsom & Ewell H) | 2 HEAT 1 | Kingsmeadow Stadium | 11 May 2024 |
|
50 performances of 39.01 or better. |