| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Annie ALLEN | 11 | Saxon Crown | 1:26.42 |
| 1 | 2 | Alice JARVIS | 11 | Bromley | 1:24.80 |
| 2 | 3 | Edie BUTLER | 11 | Maidstone SC | 1:24.44 |
| 3 | 4 | Audrey JENKINS | 11 | Bromley | 1:23.62 |
| 4 | 5 | Georgia COLLINGS | 11 | Dartford | 1:23.12 |
| 5 | 6 | Elizaveta POLIATYKINA | 11 | Orpington OJ | 1:23.51 |
| 6 | 7 | Sara RASZGA | 11 | Bromley | 1:24.32 |
| 7 | 8 | Hattie MILNER | 11 | Maidstone SC | 1:24.77 |
| 8 | 9 | Mila WRIGHT | 11 | Sevenoaks | 1:26.09 |
| 9 | 10 | Jessica MILLOTT | 11 | Saxon Crown | 1:27.32 |