| Final | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club | Time |
| 0 | 1 | Joy McLoughlin | 08 | S8 | NE Dis SC | 56.72 |
| 1 | 2 | Tegan Davidson | 06 | S5 | UoAPS | 57.87 |
| 2 | 3 | Iona Winnifrith | 11 | S6 | Tonbridge | 51.94 |
| 3 | 4 | Maisie Catt | 09 | S7 | RichmondDale | 47.00 |
| 4 | 5 | Connie Ratley | 08 | S9 | Colchester | 36.79 |
| 5 | 6 | Brooklyn Hale | 10 | S9 | Cockermouth | 38.96 |
| 6 | 7 | Ela Letton-Jones | 06 | S13 | Swim Gwynedd | 39.62 |
| 7 | 8 | Mwaba Mkwasa | 05 | S8 | Norwich Swan | 46.17 |
| 8 | 9 | Amy Mackay | 05 | S9 | B.E.S.T. | 56.95 |
| 9 | 10 | Lucy Scott | 08 | S7 | NE Dis SC | 1:13.44 |