| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Chloe Cowsill | 15 | Ulverston | 31.39 |
| 2 | 2 | Zahra Davies | 19 | Co Manch Aq | 31.07 |
| 3 | 3 | Autum Claxton | 14 | Stockport Mo | 30.88 |
| 4 | 4 | Molly Brennan | 18 | Winsford | 30.65 |
| 5 | 5 | Yarah Ghazal | 14 | Lancaster | 30.84 |
| 6 | 6 | Olivia Edgar | 16 | Chorley Marl | 31.03 |
| 7 | 7 | Laila Lawrenson | 16 | Preston | 31.15 |
| 8 | 8 | Sophie Grindley | 20 | Winsford | 31.49 |