| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Kaelah LAWSON | 15 | Co Milton K | : . |
| 1 | 2 | Millie SANSOME | 16 | Wycombe Dist | : . |
| 2 | 3 | Georgina BUTLER | 16 | Co Oxford | : . |
| 3 | 4 | Alisha HAWKINS | 16 | Stockport Mo | : . |
| 4 | 5 | Caroline LAURSEN | 15 | Guildford Ct | : . |
| 5 | 6 | Rachel ANDERSON | 15 | Millfield | : . |
| 6 | 7 | Lucy ARMITAGE | 15 | Plymouth Lea | : . |
| 7 | 8 | Ciara MORRIS | 15 | Co Cardiff | : . |
| 8 | 9 | Mia MASPERS | 15 | teamipswich | : . |
| 9 | 10 | Abigail TURNBULL | 14 | Co Derby | : . |