(1) | 52.19 | CBP | Jacob Paul | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(2) | 53.25 | CBP | Jacob Paul | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 13 May 2012 |
(3) | 53.65 | | Hayden Christian | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(4) | 54.33 | | Luke Dronfield | (Blackheath & Bromley Harriers AC) | 2 FINAL | Kingsmeadow Stadium | 14 May 2023 |
(5) | 54.5 | CBP | Gareth Lewis | ((Cheam HS)) | 1 FINAL | Wimbledon Park | 11 May 1997 |
(6) | 54.65 | | Tyri Donovan | (Windsor, Slough, Eton & Hounslow AC) | 1 FINAL | Kingsmeadow Stadium | 14 May 2017 |
(7) | 54.8 | | Austin Ferns | (Belgrave Harriers) | 1 FINAL | Kingsmeadow Stadium | 9 May 1998 |
(8) | 54.9 | | Austin Ferns | (Belgrave Harriers) | 1 FINAL | Kingsmeadow Stadium | 8 May 1999 |
| 54.90 | | Lolu Oluwole-Ojo | (Windsor, Slough, Eton & Hounslow AC) | 2 FINAL | Kingsmeadow Stadium | 26 May 2013 |
(10) | 55.29 | | Alex O'Callaghan-Brown | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2019 |
(11) | 55.67 | | Chris McAlister | (Sutton & District AC) | 1 FINAL | Kingsmeadow Stadium | 25 May 2014 |
(12) | 55.82 | | Matt Threadgold | (Belgrave Harriers) | 1 FINAL | Kingsmeadow Stadium | 10 May 2009 |
(13) | 55.9 | | Maurice Evans | (Hercules Wimbledon AC) | 1 FINAL | Motspur Park | 27 April 1980 |
(14) | 56.12 | | Calum Beauchamp | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 15 May 2016 |
(15) | 56.3 | | Stephen Mitchell | (Epsom & Ewell Harriers) | 1 FINAL | Wimbledon Park | 30 April 1995 |
(16) | 56.43 | | Paul Cave | (Epsom & Ewell Harriers) | 1 FINAL | Kingsmeadow Stadium | 15 May 2011 |
(17) | 56.5 | | Steve Johnson | (Epsom & Ewell Harriers) | 1 FINAL | Motspur Park | 18 May 1974 |
| 56.5 | | Maurice Evans | (Hercules Wimbledon AC) | 1 FINAL | Motspur Park | 25 April 1981 |
(19) | 56.54 | | Tyri Donovan | (Epsom & Ewell Harriers) | 2 FINAL | Kingsmeadow Stadium | 15 May 2016 |
(20) | 56.55 | | Luke Dronfield | (Guildford & Godalming AC) | 1 FINAL | Kingsmeadow Stadium | 1 August 2021 |
(21) | 56.61 | | Tom Parry | (Kingston AC & Polytechnic Harriers) | 2 FINAL | Kingsmeadow Stadium | 10 May 2009 |
(22) | 56.69 | | Luke Dronfield | (Blackheath & Bromley Harriers AC) | 1 FINAL | Kingsmeadow Stadium | 15 May 2022 |
(23) | 56.8 | | Simon Rush | (Woking AC) | 1 FINAL | Croydon Arena | 15 May 1994 |
(24) | 56.9 | | Andrew Kennedy | (Croydon Harriers) | 1 FINAL | Motspur Park | 3 June 1969 |
(25) | 57.1 | | Joseph Stephenson | (St Josephs's College, Upper Norwood) | 1 FINAL | Motspur Park | 6 June 1972 |
|
25 performances of 57.10 or better. |