| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Emily Jones | 11 | Northall'ton | |
| 2 | 3 | Lucy Summers | 16 | Northall'ton | 1:41.74 |
| 3 | 2 | Alice Parker | 14 | Northall'ton | 1:42.10 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Evie Wharton | 13 | Northall'ton | 1:37.86 |
| 2 | 7 | Jack Leggott | 16 | Northall'ton | 1:13.65 |
| 3 | 6 | Jacob Wharton | 14 | Northall'ton | 1:29.74 |
| 4 | 4 | Lucy Watters | 15 | Northall'ton | 1:38.81 |