Not Competing : 5
| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Ryan WALL | 10 | Royston | 3:18.94 |
| 2 | 3 | Harry EVERETT | 14 | St Ives | 3:04.98 |
| 3 | 6 | Tom LUCAS | 14 | St Ives | 2:39.49 |
| 4 | 8 | Liam BARNETT | 30 | Co Cambridge | 2:17.00 |
| 5 | 7 | Matthew STURGESS | 14 | Co Milton K | 2:38.92 |
| 6 | 4 | Jacob LAWRENCE | 14 | Co Cambridge | 2:56.77 |
| 7 | 2 | Marcus MOSCUZZA | 13 | Co Cambridge | 3:15.00 |