| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Skye Holmes | 13 | Louth | 1:28.87 |
| 2 | 2 | Isobel Allsop | 13 | Grantham | 1:28.23 |
| 3 | 3 | Lily Mae Glover | 13 | Repton | 1:24.39 |
| 4 | 4 | Maisie-Leigh Simpson-D | 13 | Co Leicester | 1:21.41 |
| 5 | 5 | Payton Marski | 13 | Co Leicester | 1:24.16 |
| 6 | 6 | Charlotte Seddon | 13 | NottmLeander | 1:26.21 |
| 7 | 7 | Alice Wallinger | 13 | Wellingboro | 1:28.70 |
| 8 | 8 | Isabel Plummer | 13 | Long Eaton | 1:29.03 |