| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Alice JARVIS | 10 | Bromley | 47.38 |
| 1 | 2 | Lyla GIBB | 11 | Saxon Crown | 46.74 |
| 2 | 3 | Grace GRANT | 11 | Sevenoaks | 45.96 |
| 3 | 4 | Autumn MCCAIRN | 11 | Folkestone | 43.87 |
| 4 | 5 | Ifeoma Serena ODIAH | 11 | Dartford | 43.38 |
| 5 | 6 | Charlee HALL | 11 | White Oak | 43.56 |
| 6 | 7 | Aanya AGRAWAL | 11 | Gravesend | 44.25 |
| 7 | 8 | Anna COLLINS | 11 | Herne Bay | 46.64 |
| 8 | 9 | Chloe BRAGG | 11 | Erith & Dist | 46.79 |
| 9 | 10 | Annie ALLEN | 10 | Saxon Crown | 47.64 |