| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Ellie WARD | 18 | Co Milton K | : . |
| 1 | 2 | Eleanor COWAN | 15 | Wycombe Dist | : . |
| 2 | 3 | Emily WOOD | 18 | Co Oxford | : . |
| 3 | 4 | Keira HENLEY | 16 | Stockport Mo | : . |
| 4 | 5 | Sarah TRIPP | 19 | Guildford Ct | : . |
| 5 | 6 | Isabella RENWICK | 14 | Millfield | : . |
| 6 | 7 | Emelie HENGELS | 16 | Plymouth Lea | : . |
| 7 | 8 | Bethan SLOAN | 21 | Co Cardiff | : . |
| 8 | 9 | Annabelle BURGESS | 14 | teamipswich | : . |
| 9 | 10 | Michaela STEPHEN | 15 | Co Derby | : . |