| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Noah Dewsnap | 11 | Retford | 3:48.00 |
| 3 | 3 | C Butterell-Quanbrough | 12 | Retford | 2:55.00 |
| 4 | 2 | Amelie Venables | 11 | Retford | 3:48.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Samuel Green | 12 | Retford | 2:54.50 |
| 2 | 7 | Freya Peace | 15 | Retford | 2:25.16 |
| 3 | 9 | Callum Kettlewell | 18 | Retford | 2:08.50 |
| 4 | 8 | Malachy McGuinness | 19 | Retford | 2:22.32 |
| 5 | 6 | Seth Hinitt | 16 | Retford | 2:35.00 |
| 6 | 5 | Lewis Warner | 17 | Retford | 2:35.00 |