| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Violet TURNER | 12 | Gwich Royals | 1:25.45 |
| 2 | 2 | Emily STONE | 12 | Sevenoaks | 1:22.63 |
| 3 | 3 | Chizara EZEOKE | 12 | Dartford | 1:22.53 |
| 4 | 4 | Harriet GRIFFITHS | 12 | RTW Monson | 1:21.11 |
| 5 | 5 | Emilia NARKEVIC | 12 | Maidstone SC | 1:20.45 |
| 6 | 6 | Josephine LAWN | 12 | Bromley | 1:20.74 |
| 7 | 7 | Isla TURNER | 12 | Gwich Royals | 1:23.32 |
| 8 | 8 | Zoe TOLLIT | 12 | RTW Monson | 1:23.37 |