(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 |
|
25 performances of 38.08 or better. |