| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Jessica PERKINS | 16 | Herne Bay | 1:20.24 |
| 1 | 2 | Poppy TAYLOR | 16 | Thanet Swim | 1:19.74 |
| 2 | 3 | Abbie NELSON | 16 | Gwich Royals | 1:18.93 |
| 3 | 4 | Veronique CROZET | 16 | Gwich Royals | 1:17.32 |
| 4 | 5 | Imogen MYLES | 16 | Sevenoaks | 1:11.29 |
| 5 | 6 | Amalie SMITH | 16 | RTW Monson | 1:11.38 |
| 6 | 7 | Jessica SHIU | 16 | Beckenham | 1:18.84 |
| 7 | 8 | Alex BRUGGEMEYER | 16 | Beckenham | 1:19.59 |
| 8 | 9 | Evie CROUCHER | 16 | White Oak | 1:19.79 |
| 9 | 10 | Tabitha BONNER | 16 | Larkfield | 1:21.59 |