| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Jessica Law | 16 | Southport | : . |
| 1 | 2 | Anna Podurgiel | 17 | Camden Swiss | : . |
| 2 | 3 | Zoe Naylor-perrott | 16 | Sevenoaks | : . |
| 3 | 4 | Tamryn Van selm | 15 | Bromley | : . |
| 4 | 5 | Macy Lawrence | 17 | Mt Kelly | : . |
| 5 | 6 | Mia Maspers | 17 | teamipswich | : . |
| 6 | 7 | Lottie Wynne-jones | 16 | Co Milton K | : . |
| 7 | 8 | Katie Latham | 22 | Thanet Swim | : . |
| 8 | 9 | Katrin Heider | 27 | Co Cambridge | : . |
| 9 | 10 | Olivia Fletcher | 17 | Worcester | : . |