| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Mia Wallace | 11 | Eckington | 49.11 |
| 2 | 2 | Emily Edwards | 11 | Repton | 47.96 |
| 3 | 3 | Amelia Sheil | 11 | Co Derby | 45.10 |
| 4 | 4 | Keira Parker | 11 | Co Derby | 44.76 |
| 5 | 5 | Madeleine Heron | 11 | Co Derby | 44.93 |
| 6 | 6 | Ada Moorhouse | 11 | Co Derby | 46.25 |
| 7 | 7 | Ava Carter | 11 | BelperMarlin | 48.92 |
| 8 | 8 | Ruby Hill | 11 | Ilkeston | 49.16 |