| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Lucas Hales | 14 | Hinckley | 3:26.21 |
| 2 | 4 | Archie Dickins | 14 | Hinckley | 2:56.01 |
| 3 | 6 | Thomas Pope | 15 | Long Eaton | 2:39.13 |
| 4 | 8 | M Patchett-Smyth | 22 | Daventry | 2:33.30 |
| 5 | 7 | Elliott Thomson | 14 | Daventry | 2:36.85 |
| 6 | 5 | Joshua Hales | 15 | Hinckley | 2:52.25 |
| 7 | 3 | Horus Hui | 13 | Kingsbury | 3:10.20 |
| 8 | 1 | Spencer Cross | 11 | Melton M'bry | 3:41.74 |