| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Millie Cadden | 17 | Long Eaton | 1:31.25 |
| 2 | 2 | Isla Perry-Taylor | 17 | BelperMarlin | 1:25.74 |
| 3 | 3 | Isabelle Kimber | 17 | Ripley | 1:25.07 |
| 4 | 4 | Imogen Clark | 25 | Derby Excel | 1:07.97 |
| 5 | 5 | Pixie Lale-Klasicki | 28 | Derby Excel | 1:13.58 |
| 6 | 6 | Olivia Marshall | 17 | BelperMarlin | 1:25.46 |
| 7 | 7 | Hannah Smith | 17 | Long Eaton | 1:29.01 |