| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Edward Allchorne | 18 | Bath Univ | 56.95 |
| 2 | 2 | Daniel Jones | 19 | Plymouth Lea | 56.52 |
| 3 | 3 | Joseph Patching | 18 | Plymouth Lea | 54.87 |
| 4 | 4 | Antony James | 23 | Plymouth Lea | 52.73 |
| 5 | 5 | Benjamin Proud | 18 | Plymouth Lea | 56.55 |
| 6 | 6 | Jay Lelliott | 17 | S Bournem'th | 56.36 |
| 7 | 7 | Justin Austin | 20 | Bath Univ | 56.64 |
| 8 | 8 | Eamon Rivers | 20 | Bath Univ | 56.63 |