| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Olivia Brown | 13 | Ripley | 43.71 |
| 2 | 2 | Anwen Williams | 13 | Buxton | 41.80 |
| 3 | 3 | Isabel Plummer | 13 | Long Eaton | 39.73 |
| 4 | 4 | Lily Mae Glover | 13 | Repton | 37.73 |
| 5 | 5 | Emma Jane Rantzen | 13 | BelperMarlin | 39.22 |
| 6 | 6 | Maisie Wilkes | 13 | Chesterfield | 41.38 |
| 7 | 7 | Lily-Grace Belfield | 13 | Chesterfield | 42.64 |
| 8 | 8 | Amelie Ratliff | 13 | Co Derby | 43.73 |