| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Niamh Billington-Sayer | 13 | Wirral Metro | 1:22.25 |
| 2 | 2 | Grace Gidman | 13 | Wirral Metro | 1:21.54 |
| 3 | 3 | Olivia Dykes | 13 | SwimTrafford | 1:21.05 |
| 4 | 4 | Rebecca Pearson | 13 | Stockport Mo | 1:19.26 |
| 5 | 5 | Caitlyn Shingler | 13 | Warrington W | 1:20.00 |
| 6 | 6 | Lara Furmidge | 13 | Stockport Mo | 1:21.27 |
| 7 | 7 | Abbie Winstanley | 13 | Workington | 1:22.10 |
| 8 | 8 | Victoria Dawson | 13 | Southport | 1:22.47 |