| Final | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club | Time |
| 0 | 1 | Imogen Dodds | 09 | S13 | Wellingboro | 1:25.69 |
| 1 | 2 | Brooklyn Hale | 10 | S9 | Cockermouth | 1:22.88 |
| 2 | 3 | Connie Ratley | 08 | S9 | Colchester | 1:19.95 |
| 3 | 4 | Maisie Catt | 09 | S7 | RichmondDale | 1:38.25 |
| 4 | 5 | Astrid Carroll | 09 | S13 | Bo Kirklees | 1:19.19 |
| 5 | 6 | Stephanie Booth | 03 | S10 | Bo Kirklees | 1:21.81 |
| 6 | 7 | Abigail Wickens | 07 | S8 | Flitwick | 1:31.84 |
| 7 | 8 | Ela Letton-Jones | 06 | S13 | Swim Gwynedd | 1:25.06 |
| 8 | 9 | Amanda Readhead | 77 | S8 | Maxwell | 1:37.05 |
| 9 | 10 | Tylia Glynn | 06 | S14 | Stockport Mo | 1:27.40 |