| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Lucy FOSTER | 12 | Southport | |
| 3 | 3 | Douglas JONES | 12 | Southport | 11:04.00 |
| 4 | 2 | Caitlin CORRIGAN | 13 | Southport | 12:46.64 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Harrison DALE | 13 | Southport | 10:30.00 |
| 3 | 7 | Eboni THOBURN | 15 | Southport | 9:47.50 |
| 4 | 6 | Evie SAMPSON | 13 | Southport | 9:55.07 |
| 5 | 4 | Maisie GEARY | 13 | Southport | 10:34.40 |