| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Tilly Howells | 12 | Verulam | 3:18.22 |
| 2 | 2 | Lara Kelly | 11 | Colchester | 3:14.52 |
| 3 | 3 | Olivia Daniel | 12 | Verulam | 3:13.00 |
| 4 | 4 | Alice Buckingham | 12 | Team Luton | 3:06.01 |
| 5 | 5 | Lily Walsby | 12 | Co Peterboro | 3:07.36 |
| 6 | 6 | Lena Crisp | 12 | Norwich Swan | 3:13.71 |
| 7 | 7 | Bella Robertson | 12 | Stowmarket | 3:17.97 |
| 8 | 8 | Kaitlyn Hoffman | 12 | Basildon Ph | 3:18.35 |