| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Max Litchfield | 95 | Donc Dartes | 3:56.25 |
| 2 | 3 | Robert Renwick | 88 | Co Glasgow | 3:55.25 |
| 3 | 4 | Ieuan Lloyd | 93 | Co Cardiff | 3:54.69 |
| 4 | 5 | Ferry Weertman | 92 | NED | 3:54.40 |
| 5 | 6 | James Guy | 95 | Millfield | 3:54.63 |
| 6 | 7 | Matthew Johnson | 95 | Co Sheffield | 3:54.73 |
| 7 | 8 | Thomas Sunter | 92 | Co Sheffield | 3:55.57 |
| 8 | 9 | Caleb Hughes | 95 | Hatfield | 3:56.87 |