| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Lucy Wall | 10 | Buxton | 1:43.96 |
| 3 | 3 | Lydia Drabble | 11 | Buxton | 1:30.75 |
| 4 | 2 | Isla Pulvertaft | 9 | Buxton | 1:43.41 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 6 | Ciorstaidh Smith | 13 | Buxton | 1:22.00 |
| 3 | 8 | Cloé De La Bertouche | 15 | Buxton | 1:16.63 |
| 4 | 7 | Bronya O'Wellen | 14 | Buxton | 1:16.90 |
| 5 | 5 | Ruby Ellis | 13 | Buxton | 1:22.83 |
| 6 | 4 | Libby Bromley | 11 | Buxton | 1:30.18 |