| Place | Name | AaD | Club | Time | FINA Pt | 50 | ||||
| 1. | Maisie-Leigh Simpson-D | 13 | Co Leicester | 1:19.34 | 528 | 38.38 | ||||
| 2. | Payton Marski | 13 | Co Leicester | 1:21.12 | 494 | 39.44 | ||||
| 3. | Lily Mae Glover | 13 | Repton | 1:22.43 | 470 | 38.73 | ||||
| 4. | Charlotte Seddon | 13 | NottmLeander | 1:27.06 | 399 | 41.69 | ||||
| 5. | Isobel Allsop | 13 | Grantham | 1:28.32 | 382 | 41.35 | ||||
| 6. | Alice Wallinger | 13 | Wellingboro | 1:28.64 | 378 | 41.91 | ||||
| 7. | Isabel Plummer | 13 | Long Eaton | 1:28.96 | 374 | 41.89 | ||||
| 8. | Skye Holmes | 13 | Louth | 1:29.01 | 373 | 41.11 |