| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Elan Stead | 11 | BUXA | |
| 3 | 4 | Prudie Dawson | 13 | BUXA | 1:55.45 |
| 4 | 3 | Arlo Crossfield | 13 | BUXA | 2:11.79 |
| 5 | 1 | Sienna Winston | 10 | BUXA | |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Orla Woodward | 12 | BUXA | 1:34.35 |
| 2 | 8 | Anwen Williams | 14 | BUXA | 1:18.69 |
| 3 | 10 | Amelia Young | 17 | BUXA | 1:14.90 |
| 4 | 9 | Ruby Currington | 15 | BUXA | 1:17.20 |
| 5 | 7 | James Garner | 12 | BUXA | 1:33.60 |
| 6 | 5 | Verity Dawson | 11 | BUXA | 1:35.20 |