| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Gracie Smith | 11 | Wigan BEST | 46.53 |
| 2 | 2 | Betsy Lloyd | 10 | Wigan BEST | 44.95 |
| 3 | 3 | Ellen Jones | 11 | Wigan BEST | 41.51 |
| 4 | 4 | Mia Robinson | 11 | Southport | 43.34 |
| 5 | 5 | Holly Warburton | 11 | Blackpool Aq | 45.22 |
| 6 | 6 | Eleanor Fothergill | 11 | Flixton | 46.91 |