| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 1 | Henry Offin | 00 | Guildford Ct | 4:09.97 |
| 1 | 2 | Matthew George | 00 | Co Salford | 4:09.53 |
| 2 | 3 | Harry Constantine | 00 | Hatfield | 4:08.11 |
| 3 | 4 | Jakob Goodman | 00 | Millfield | 4:02.90 |
| 4 | 5 | Nathan Hughes | 00 | Hatfield | 3:59.81 |
| 5 | 6 | Luke Turley | 00 | Hatfield | 4:00.03 |
| 6 | 7 | Max Murphy | 00 | Co Milton K | 4:03.03 |
| 7 | 8 | Ryan Retson | 00 | F.I.R.S.T. | 4:08.54 |
| 8 | 9 | James Watson | 00 | Swindon Dolp | 4:09.58 |
| 9 | 10 | Henry Dixon | 00 | Aquae Sulis | 4:10.43 |