| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Lewis Fraser | 00 | Swansea Uni | 52.64 |
| 2 | 2 | Joe Litchfield | 98 | L'borogh PC | 52.28 |
| 3 | 3 | Jamie Ingram | 98 | Co Manch Aq | 52.23 |
| 4 | 4 | Jacob Peters | 00 | Bath PC | 51.56 |
| 5 | 5 | Edward Mildred | 03 | Bath PC | 52.11 |
| 6 | 6 | James Guy | 95 | Millfield | 52.26 |
| 7 | 7 | Joshua Gammon | 03 | Bath Univ | 52.56 |
| 8 | 8 | Thomas Carswell | 00 | Edinburgh Un | 53.03 |