| Event | Meeting | Venue | Date | Ryan Preddy | Aaron Pitt | Ben Robbins | Craig Crawford-Glanville | Cephas Howard | Stanley Livingston | Paul Twidale | Gerwyn Morgan | Thomas Bensted | Daniel Petros |
| 400 | AAA Age Group Championships | Birmingham | 24 Feb 01 | | | | | | | 51.38 | 1 | | | | | 52.23 | 2 | | | | | | |
| 400 | ESAA English Schools' Championships | Exeter | 7 Jul 01 | | | | | | | 50.72 | 1 | | | | | 52.59 | 6 | | | | | | |
| 400 | England Athletics Open Championships (U20/U17/U15) | Birmingham | 25 Feb 07 | | | | | | | | | | | | | | | 52.24 | 1 | 52.32 | 2 | | |
| 400 | SEAA Indoor Championships | Lee Valley | 10 Jan 10 | | | 52.63 | 1 | | | | | | | 54.92 | 2 | | | | | | | | |
| 400 | Aviva England U15 / U17 / U20 Championships | Birmingham | 28 Feb 10 | | | 51.01 | 1 | 53.77 | 4 | | | | | 53.69 | 2 | | | | | | | | |
| 400 | Aviva England U15 / U17 / U20 Championships | Birmingham | 28 Feb 10 | | | 53.94 | 1h1 | 55.98 | 2h1 | | | | | | | | | | | | | | |
| 400 | Aviva England Athletics U15/U17 Championships | Bedford | 22 Aug 10 | | | 49.99 | 1 | 52.97 | 6 | | | | | | | | | | | | | | |
| 400 | England Athletics U15 / U17 / U20 Championships | Birmingham | 27 Feb 11 | | | | | 51.36 | 1 | | | | | 51.95 | 2 | | | | | | | | |
| 400 | England Athletics U15/U17 Championships | Bedford | 20 Aug 11 | | | | | 52.00 | 2h1 | | | | | 51.56 | 1h1 | | | | | | | | |
| 400 | England Athletics U15/U17 Championships | Bedford | 21 Aug 11 | | | | | 50.18 | 2 | | | | | 49.97 | 1 | | | | | | | | |
| 400 | England Athletics U15 / U17 / U20 Championships | Birmingham | 23 Feb 13 | | | | | 48.91 | 1 | | | | | 50.76 | 6 | | | | | | | | |
| 400 | England Athletics U15 / U17 / U20 Championships | Birmingham | 23 Feb 13 | | | | | 49.78 | 1h2 | | | | | 50.36 | 2h2 | | | | | | | | |