| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Olivia HERRON | 14 | Stockport Mo | : . |
| 1 | 2 | Illizane PINFOLD | 15 | Co Oxford | : . |
| 2 | 3 | Isabella RENWICK | 15 | Millfield | : . |
| 3 | 4 | Grace KING | 15 | teamipswich | : . |
| 4 | 5 | Lana BROEKHOVEN | 15 | Plymouth Lea | : . |
| 5 | 6 | Isobel BRYANT | 15 | Guildford Ct | : . |
| 6 | 7 | Sophie PAYNE | 16 | Hatfield | : . |
| 7 | 8 | Megan DALEY | 15 | Wycombe Dist | : . |
| 8 | 9 | Amelia MONAGHAN | 16 | Co Peterboro | : . |
| 9 | 10 | Michaela STEPHEN | 16 | Co Derby | : . |