| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Lee BAKER | 21 | Harlow Pen | 52.17 |
| 2 | 2 | Ignacio LARGHERO | 17 | Newmarket | 52.03 |
| 3 | 3 | Harry CONSTANTINE | 16 | Hatfield | 51.46 |
| 4 | 4 | Regan LLOYD | 19 | teamipswich | 50.92 |
| 5 | 5 | Luke TURLEY | 16 | Hatfield | 51.40 |
| 6 | 6 | Conor HARROLD | 23 | Basildon Ph | 51.58 |
| 7 | 7 | Henry CHOONG | 19 | Co Cambridge | 52.05 |
| 8 | 8 | Mark LEAMON | 29 | Co Cambridge | 52.80 |