| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Linke Groenewald | 12 | Bishop Stort | 40.98 |
| 2 | 2 | Morrigan Cooper | 12 | Bo Southend | 40.58 |
| 3 | 3 | Alice Buckingham | 12 | Team Luton | 39.28 |
| 4 | 4 | Lily Walsby | 12 | Co Peterboro | 38.64 |
| 5 | 5 | Amy Brightwell | 12 | Norwich Swan | 39.24 |
| 6 | 6 | Olivia Daniel | 12 | Verulam | 39.82 |
| 7 | 7 | Tilly Howells | 12 | Verulam | 40.60 |
| 8 | 8 | Alania Wignall | 12 | Colchester | 41.03 |