| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Kaitlyn Hoffman | 12 | Basildon Ph | 1:30.99 |
| 2 | 2 | Morrigan Cooper | 12 | Bo Southend | 1:30.07 |
| 3 | 3 | Alice Buckingham | 12 | Team Luton | 1:26.85 |
| 4 | 4 | Lily Walsby | 12 | Co Peterboro | 1:26.40 |
| 5 | 5 | Olivia Daniel | 12 | Verulam | 1:26.46 |
| 6 | 6 | Amy Brightwell | 12 | Norwich Swan | 1:28.02 |
| 7 | 7 | Tilly Howells | 12 | Verulam | 1:30.29 |
| 8 | 8 | Olivia Bryant | 12 | Stowmarket | 1:31.03 |