| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Natasha GREER | 16 | Gwich Royals | 1:16.05 |
| 1 | 2 | Leah WATSON | 16 | Black Lion | 1:15.85 |
| 2 | 3 | Aliyana BRADSHAW | 16 | Black Lion | 1:13.85 |
| 3 | 4 | Amelia TOVEY | 16 | Sevenoaks | 1:10.76 |
| 4 | 5 | Si Yao Peony LEE | 16 | Sevenoaks | 1:08.22 |
| 5 | 6 | Emily SERAFINI | 16 | Bromley | 1:10.15 |
| 6 | 7 | Chloe DESIDERIO | 16 | Dover Life | 1:11.87 |
| 7 | 8 | Lyanna GORE | 16 | Larkfield | 1:14.30 |
| 8 | 9 | Isobelle DILL-RUSSELL | 16 | Dover Life | 1:15.92 |
| 9 | 10 | Chloe LINDER | 16 | Sittingbourn | 1:18.73 |