| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 1 | Owen Roberts | 08 | Bo Of Harrow | 55.96 |
| 1 | 2 | Hugo Young | 08 | S Bournem'th | 55.67 |
| 2 | 3 | Aran Bissett | 08 | RTW Monson | 54.91 |
| 3 | 4 | Reuben Alty | 08 | Millfield | 54.69 |
| 4 | 5 | Abduljabar Adama | 08 | Mt Kelly | 53.76 |
| 5 | 6 | Llewellyn Porter | 08 | Camden Swiss | 54.31 |
| 6 | 7 | Dean Fearn | 08 | Aberdeen Dol | 54.75 |
| 7 | 8 | Gabriel Shepherd | 08 | Harrogate | 55.12 |
| 8 | 9 | Ollie O'Connor | 08 | Putteridge | 55.83 |
| 9 | 10 | Thomas Swales | 09 | Nova Cent'n | 55.99 |