| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Mia Richards | 14 | Retford | 12:12.95 |
| 3 | 3 | Reuben Meadows | 13 | Retford | 10:30.00 |
| 4 | 2 | Charlotte Alcock | 16 | Retford | 12:00.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Thomas Collins | 13 | Retford | 10:30.00 |
| 2 | 6 | Evie Lilley | 14 | Retford | 10:12.08 |
| 3 | 8 | Samuel Green | 13 | Retford | 9:13.10 |
| 4 | 7 | C Butterell-Quanbrough | 13 | Retford | 9:55.50 |
| 5 | 5 | Iona Watson | 14 | Retford | 10:23.46 |