| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Thomas Cadenhead | 20 | Co St Albans | 52.49 |
| 2 | 2 | William Ellard | 16 | St Felix Sch | 51.80 |
| 3 | 3 | Matthew Wright | 24 | Team Luton | 51.46 |
| 4 | 4 | Matthew Baker | 16 | West Suffolk | 50.57 |
| 5 | 5 | Regan Lloyd | 25 | teamipswich | 51.43 |
| 6 | 6 | Maddox Roberts | 16 | Witham Dolph | 51.78 |
| 7 | 7 | Jacques Bonsell | 23 | Co Cambridge | 52.02 |
| 8 | 8 | Kai Adams | 26 | Halstead | 52.85 |