| Rank | Perf | Name | Venue | Date | |||
| 1 | 55.34 | Lee Hamilton (2c) | Eton | 7 Jul 07 | |||
| 2 | 55.6 | J Kearns | U17 | ? | ? | *K | |
| 3 | 62.2 | Antoni Davis-Phillip | Cambridge | 11 Jun 06 | |||
| 4 | 62.7 | Rudy Francis | Lee Valley | 17 May 08 |
This ranking table compiled on: Friday 20th May 2022 22:03:02 (from file)
(2c) = 2nd claim
*K = data from historic Kent AC records (compiled by Len R)
All other data provided by The Power of 10 from British Athletics
Errors and omissions can be submitted by email to
Club Best performance tables for each year are available : Club Best Perfomances