| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Sophie TRAILL | 11 | Stockport Mo | : . |
| 1 | 2 | Juliet ANTHONY | 12 | Co Oxford | : . |
| 2 | 3 | Georgina HAWKINS | 12 | Millfield | : . |
| 3 | 4 | Karys-rose BUNN | 12 | teamipswich | : . |
| 4 | 5 | Erin POWELL | 12 | Plymouth Lea | : . |
| 5 | 6 | Lara TURAN | 12 | Guildford Ct | : . |
| 6 | 7 | Isabella YEABSLEY | 12 | Hatfield | : . |
| 7 | 8 | Maisie DICKINSON | 11 | Wycombe Dist | : . |
| 8 | 9 | Ruby BLAKELEY | 11 | Co Peterboro | : . |
| 9 | 10 | Grace FULLER | 12 | Co Derby | : . |