| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Tilly Farmer | 11 | Kingsbury | 46.89 |
| 2 | 2 | Rosie Grosvenor | 11 | Blythe Barra | 45.68 |
| 3 | 3 | Iona Forbes | 11 | Leamington | 44.73 |
| 4 | 4 | Emilia Spence | 11 | Orion | 40.10 |
| 5 | 5 | Isabella Cleary | 11 | Leamington | 44.33 |
| 6 | 6 | Amelie Bruntlett | 11 | Nuneaton | 45.10 |
| 7 | 7 | Abigail Bell | 10 | Co Coventry | 46.01 |
| 8 | 8 | Isla Osborne | 11 | Leamington | 47.08 |