| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Kieran Bird | 99 | Bicester | 3:58.95 |
| 2 | 2 | Angus Barr | 98 | Eastkilbride | 3:57.95 |
| 3 | 3 | Thomas Howley | 96 | Newcastle | 3:57.64 |
| 4 | 4 | Daniel Jervis | 96 | Swansea Aq | 3:53.33 |
| 5 | 5 | Cameron Kurle | 97 | Millfield | 3:56.99 |
| 6 | 6 | Tom Derbyshire | 98 | Royal Wolv | 3:57.67 |
| 7 | 7 | Thomas Atkinson | 98 | Co Sheffield | 3:58.85 |
| 8 | 8 | Brodie Williams | 99 | Millfield | 3:59.53 |