| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | David Thompson | 26 | Bangor IRL | 49.69 |
| 1 | 2 | Joseph Sadio | 24 | East Leeds | 49.49 |
| 2 | 3 | Jacob Whittle | 15 | Derventio | 49.05 |
| 3 | 4 | Harry Constantine | 19 | Loughboro Un | 48.82 |
| 4 | 5 | Samuel Irvine | 22 | Loughboro Un | 48.47 |
| 5 | 6 | Alexander Bowen | 24 | Loughboro Un | 48.80 |
| 6 | 7 | Elliot Clogg | 20 | Co Sheffield | 48.96 |
| 7 | 8 | Archie Goodburn | 18 | Loughboro Un | 49.32 |
| 8 | 9 | Jarvis Parkinson | 21 | Chelsea&West | 49.66 |
| 9 | 10 | Regan Lloyd | 22 | teamipswich | 49.80 |