| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Maisie Mullock | 12 | Horwich | 1:19.44 |
| 2 | 2 | Thea Grady | 12 | Satellite | 1:18.80 |
| 3 | 3 | Zoe Sanderson | 12 | Cockermouth | 1:17.78 |
| 4 | 4 | Aoife McCann | 12 | Leyland Barr | 1:15.70 |
| 5 | 5 | Mia Ashworth | 12 | Bury & Elton | 1:16.93 |
| 6 | 6 | Isabella Hill | 12 | Trafford Met | 1:18.74 |
| 7 | 7 | Anna Fearon | 12 | Wirral Metro | 1:19.36 |
| 8 | 8 | Naya Phillips | 12 | Garston | 1:19.68 |