| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Kitty DYSON | 9 | Southport | |
| 3 | 3 | Bryony JONES | 10 | Southport | 3:44.35 |
| 4 | 2 | Melina CHRYSSOVERGIS | 12 | Southport | 3:55.08 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Pippa VEGH | 14 | Southport | 2:44.40 |
| 3 | 7 | Evie SAMPSON | 13 | Southport | 2:27.80 |
| 4 | 6 | Faith FELLOWS | 15 | Southport | 2:34.60 |
| 5 | 4 | Niamh CORRIGAN | 11 | Southport | 3:19.39 |