| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Ella Falkingham | 14 | Southport | : . |
| 1 | 2 | Emilia Magliocco | 14 | Camden Swiss | : . |
| 2 | 3 | Eva Okaro | 13 | Sevenoaks | : . |
| 3 | 4 | Lilou Saeijs | 14 | Bromley | : . |
| 4 | 5 | Bella Baird | 14 | Mt Kelly | : . |
| 5 | 6 | Karys-rose Bunn | 13 | teamipswich | : . |
| 6 | 7 | Sophie Govan | 14 | Co Milton K | : . |
| 7 | 8 | Alana Wright | 14 | Thanet Swim | : . |
| 8 | 9 | Daisy Moxham | 14 | Co Cambridge | : . |
| 9 | 10 | Aimee Monks | 14 | Worcester | : . |