| (1) | 55.51m | CBP | Sam Mace | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 23 May 2015 |
| (2) | 54.26m | | James Lancaster | (Blackheath & Bromley Harriers AC) | 2 FINAL | Kingsmeadow Stadium | 23 May 2015 |
| (3) | 46.50m | CBP | Munroe Ritchie | (Crawley AC) | 1 FINAL | Kingsmeadow Stadium | 12 May 2012 |
| (4) | 44.98m | CBP | Gareth Cook | (Sutton & Cheam Harriers) | 1 FINAL | Croydon Arena | 23 April 1983 |
| (5) | 44.78m | | Mackenzie Laban | (Herne Hill Harriers) | 1 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| (6) | 42.94m | | Anton Joseph | (Guildford & Godalming AC) | 2 FINAL | Kingsmeadow Stadium | 13 May 2017 |
| (7) | 42.82m | | Sam Mace | (Walton AC) | 1 FINAL | Kingsmeadow Stadium | 24 May 2014 |
| (8) | 42.56m | | James Lancaster | (Blackheath & Bromley Harriers AC) | 2 FINAL | Kingsmeadow Stadium | 24 May 2014 |
| (9) | 41.48m | | Robert Snow | (Guildford & Godalming AC) | 1 FINAL | Sheerwater, Woking | 22 April 1989 |
| (10) | 41.44m | | Tommy Dewey | (Croydon Harriers) | 1 FINAL | Wimbledon Park | 8 May 1994 |
| |
| 10 performances of 41.44m or better. |
