| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Olivia HERRON | 14 | Stockport Mo | : . |
| 1 | 2 | Illizane PINFOLD | 14 | Co Oxford | : . |
| 2 | 3 | Grace OLDING | 13 | Millfield | : . |
| 3 | 4 | Abbie DUFFIELD | 14 | teamipswich | : . |
| 4 | 5 | Alex MATICIUC | 14 | Plymouth Lea | : . |
| 5 | 6 | Louise BRESSLER | 12 | Guildford Ct | : . |
| 6 | 7 | Ela NORTON | 14 | Hatfield | : . |
| 7 | 8 | Ella DYSON | 14 | Wycombe Dist | : . |
| 8 | 9 | Olivia LEE | 14 | Co Peterboro | : . |
| 9 | 10 | Constance VANES | 14 | Co Derby | : . |