| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Yarah Ghazal | 14 | Lancaster | 1:06.99 |
| 2 | 2 | Eleanor Kay | 19 | Bolton Metro | 1:06.80 |
| 3 | 3 | Laila Lawrenson | 16 | Preston | 1:06.18 |
| 4 | 4 | Molly Brennan | 18 | Winsford | 1:05.87 |
| 5 | 5 | Jamie-Leigh Tyson | 19 | Ulverston | 1:05.87 |
| 6 | 6 | Sophia Hewlett | 15 | Bebington | 1:06.41 |
| 7 | 7 | Autum Claxton | 14 | Stockport Mo | 1:06.98 |
| 8 | 8 | Isla Liptrot | 12 | Wigan BEST | 1:07.17 |