| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Sadie LAMB | 11 | Southport | 6:30.00 |
| 3 | 3 | Kitty DYSON | 11 | Southport | 6:18.00 |
| 4 | 2 | Olivia MASZKOWSKA | 13 | Southport | 6:20.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Aurelia MOORE | 14 | Southport | 6:00.00 |
| 3 | 7 | Pippa VEGH | 16 | Southport | 5:28.80 |
| 4 | 6 | Faith FELLOWS | 17 | Southport | 5:37.22 |
| 5 | 4 | Grace AYLWARD | 13 | Southport | 6:10.00 |