| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Esme Thomson | 12 | Buxton | 1:41.18 |
| 3 | 4 | Henna Crossfield | 14 | Buxton | 1:28.61 |
| 4 | 3 | Orla Woodward | 10 | Buxton | 1:40.00 |
| 5 | 1 | Molly Kirk | 11 | Buxton | 2:00.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Ruby Ellis | 14 | Buxton | 1:27.02 |
| 2 | 8 | Annabel Bagshaw | 13 | Buxton | 1:22.65 |
| 3 | 10 | Mia Stokes | 15 | Buxton | 1:15.75 |
| 4 | 9 | Flo Harris-Wood | 13 | Buxton | 1:19.73 |
| 5 | 7 | Ruby Currington | 13 | Buxton | 1:23.20 |
| 6 | 5 | Bronya O'Wellen | 14 | Buxton | 1:27.36 |