| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Sara RASZGA | 11 | Bromley | 46.57 |
| 1 | 2 | Olivia CHAVES-FIGUSCH | 11 | Maidstone SC | 45.91 |
| 2 | 3 | Miranda HUANG | 10 | Orpington OJ | 45.51 |
| 3 | 4 | Evie VAN BEERS | 11 | Sevenoaks | 43.30 |
| 4 | 5 | Eliza SMAKAJ | 11 | Edenbridge | 42.28 |
| 5 | 6 | Alice JARVIS | 11 | Bromley | 42.94 |
| 6 | 7 | Zofia RADZICKA | 11 | White Oak | 45.30 |
| 7 | 8 | Annie ALLEN | 11 | Saxon Crown | 45.57 |
| 8 | 9 | Heidi ROSS | 11 | Herne Bay | 46.38 |
| 9 | 10 | Nia MICHAEL | 11 | Bromley | 46.70 |