| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Ella CORRAN | 11 | Putteridge | 44.16 |
| 2 | 2 | Aimee STANTON | 11 | Biggleswade | 41.71 |
| 3 | 3 | Jennifer DAVIS | 11 | Dunstable | 40.88 |
| 4 | 4 | Veronika POPOW | 11 | Team Luton | 36.55 |
| 5 | 5 | Lyla HOWARD | 11 | Team Luton | 39.77 |
| 6 | 6 | Bryony MATHIAS | 11 | Dunstable | 41.51 |
| 7 | 7 | Millie HYDE | 11 | Team Luton | 43.71 |
| 8 | 8 | Eloise COLE | 10 | Modernian | 44.25 |