| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Harry SWANN | 10 | Lstoft & OB | 3:29.18 |
| 2 | 2 | Harrison JARVIS | 10 | Thurrock | 3:26.79 |
| 3 | 3 | Finn JEFFERY | 10 | Colchester | 3:26.14 |
| 4 | 4 | Owen VAUGHAN | 10 | Chelmsford | 3:22.51 |
| 5 | 5 | Louis ARMITAGE | 10 | Berkhamsted | 3:23.70 |
| 6 | 6 | Callum STEDMAN | 10 | Dereham | 3:26.28 |
| 7 | 7 | Max MCAULIFFE | 10 | Harlow Pen | 3:28.61 |
| 8 | 8 | Robert ADDIS | 10 | West Norfolk | 3:29.73 |