| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Jessica Morgan | 16 | Southport | : . |
| 1 | 2 | Alexis Lambropoulos | 15 | Camden Swiss | : . |
| 2 | 3 | Lilly Chambers | 14 | Sevenoaks | : . |
| 3 | 4 | Alicia Corver | 15 | Bromley | : . |
| 4 | 5 | Caitlyn Fry | 15 | Mt Kelly | : . |
| 5 | 6 | Grace King | 16 | teamipswich | : . |
| 6 | 7 | Lottie Wynne-jones | 16 | Co Milton K | : . |
| 7 | 8 | Tamzin Myburgh | 16 | Thanet Swim | : . |
| 8 | 9 | Katie Hammond | 16 | Co Cambridge | : . |
| 9 | 10 | Megan Annis | 16 | Worcester | : . |