| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Amaya McQueen | 9 | Northall'ton | |
| 2 | 3 | Eleanor Halliday | 9 | Northall'ton | 1:08.75 |
| 3 | 2 | Emily Kingdon | 10 | Northall'ton | |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Charlotte Hinde | 13 | Northall'ton | 51.23 |
| 2 | 6 | Evie Wharton | 13 | Northall'ton | 45.10 |
| 3 | 5 | Emily Schofield | 12 | Northall'ton | 51.19 |