| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Naomi Parker | 19 | Co Manch Aq | 59.78 |
| 2 | 2 | Ruby Sims | 16 | Stockport Mo | 59.35 |
| 3 | 3 | Jamie-Leigh Tyson | 19 | Ulverston | 58.87 |
| 4 | 4 | Viyana Seifi | 14 | Co Salford | 58.82 |
| 5 | 5 | Evie Cutter | 16 | Wigan BEST | 58.84 |
| 6 | 6 | Kate Roberts | 16 | Co Liverpool | 59.26 |
| 7 | 7 | Scarlett Robinson | 17 | Ulverston | 59.77 |
| 8 | 8 | Grace Ebbrell | 18 | Bebington | 1:00.11 |