| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Oliver MALTBY | 19 | Bath Univ | 56.72 |
| 2 | 2 | William COLE | 17 | Co Bristol | 56.64 |
| 3 | 3 | William HARRISON | 21 | Bath Univ | 56.28 |
| 4 | 4 | Kregor ZIRK | 17 | Plymouth Lea | 55.37 |
| 5 | 5 | Brodie WILLIAMS | 17 | Millfield | 56.04 |
| 6 | 6 | Thomas THORNLEY | 17 | Millfield | 56.45 |
| 7 | 7 | Benjamin STAIG | 17 | Mt Kelly | 56.68 |
| 8 | 8 | Patrick BLAKE | 24 | Co Bristol | 56.82 |