| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Sarah Weeks | 16 | Northall'ton | |
| 2 | 3 | Evie Wharton | 13 | Northall'ton | 4:49.33 |
| 3 | 2 | Amy Ferguson | 12 | Thirsk WH | |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Amelia Potter | 13 | Stokesley | 2:57.16 |
| 3 | 4 | Emily Schofield | 12 | Northall'ton | 3:41.11 |