| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Imogen Howitt | 11 | Retford | 25:00.00 |
| 2 | 4 | Reuben Meadows | 13 | Retford | 21:00.00 |
| 3 | 6 | Samuel Green | 13 | Retford | 17:37.10 |
| 4 | 5 | C Butterell-Quanbrough | 13 | Retford | 18:36.50 |
| 5 | 3 | Noah Dewsnap | 12 | Retford | 24:00.00 |
| 6 | 1 | Isla Stockley | 11 | Retford | 25:00.00 |