| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Annabelle Wilkinson | 17 | Co Sheffield | 29.42 |
| 1 | 2 | Emilia Magliocco | 17 | Camden Swiss | 29.39 |
| 2 | 3 | Jessica Li | 17 | NottmLeander | 29.32 |
| 3 | 4 | Leah Evans | 17 | Co Bristol | 29.08 |
| 4 | 5 | Blythe Kinsman | 15 | Mt Kelly | 28.81 |
| 5 | 6 | Annabelle Compton | 14 | Wycombe Dist | 29.01 |
| 6 | 7 | Isabel Iley | 17 | Hackney | 29.31 |
| 7 | 8 | Charley Joyce | 17 | Epping For't | 29.38 |
| 8 | 9 | Halle Harris | 15 | Poole | 29.40 |
| 9 | 10 | Anna Uren | 16 | Co Bristol | 29.47 |