| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Verena PAULING | 13 | RTW Monson | 1:18.63 |
| 1 | 2 | Josephine LAWN | 13 | Bromley | 1:17.61 |
| 2 | 3 | Isla TURNER | 13 | White Oak | 1:16.68 |
| 3 | 4 | Harriet GRIFFITHS | 13 | RTW Monson | 1:15.85 |
| 4 | 5 | Paris FAIRHURST | 13 | Saxon Crown | 1:15.51 |
| 5 | 6 | Isabella JONES | 13 | RTW Monson | 1:15.55 |
| 6 | 7 | Emilia NARKEVIC | 13 | Maidstone SC | 1:16.40 |
| 7 | 8 | Niamh MILLER | 13 | Sevenoaks | 1:17.11 |
| 8 | 9 | Olivia COOLEY | 13 | Maidstone SC | 1:17.64 |
| 9 | 10 | Emily STONE | 13 | Sevenoaks | 1:18.93 |