| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Jakob GOODMAN | 16 | Millfield | 56.62 |
| 2 | 2 | Thomas SINCLAIR | 18 | Bath Univ | 56.23 |
| 3 | 3 | Dominic WOOLDRIDGE | 21 | Exeter City | 55.22 |
| 4 | 4 | Reece DUNN | 21 | Plymouth Lea | 54.75 |
| 5 | 5 | Edoardo VALSECCHI | 19 | Plymouth Lea | 55.20 |
| 6 | 6 | Max MCCUSKER | 17 | Millfield | 55.98 |
| 7 | 7 | Jacob PETERS | 16 | Poole | 56.30 |
| 8 | 8 | Oliver MALTBY | 19 | Bath Univ | 56.79 |