| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Charlotte KENNEDY | 16 | Stockport Mo | : . |
| 1 | 2 | Delphine LITTLE | 15 | Co Oxford | : . |
| 2 | 3 | Yasmine HAMERLAINE | 15 | Millfield | : . |
| 3 | 4 | Mia MASPERS | 16 | teamipswich | : . |
| 4 | 5 | Duru TANIR | 16 | Plymouth Lea | : . |
| 5 | 6 | Caroline LAURSEN | 16 | Guildford Ct | : . |
| 6 | 7 | Jessica WOODWARD | 15 | Hatfield | : . |
| 7 | 8 | Rachel CORNFORD | 15 | Wycombe Dist | : . |
| 8 | 9 | Kenzie WHYATT | 16 | Co Peterboro | : . |
| 9 | 10 | Sophie YENDELL | 16 | Co Derby | : . |