| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Aiyana LAWSON | 16 | Co Milton K | : . |
| 1 | 2 | Eleanor COWAN | 15 | Wycombe Dist | : . |
| 2 | 3 | Emily FORD | 15 | Co Oxford | : . |
| 3 | 4 | Rebecca PEARSON | 15 | Stockport Mo | : . |
| 4 | 5 | Tilly HANSEN-HAMILTON | 15 | Guildford Ct | : . |
| 5 | 6 | Emma HARVEY | 16 | Millfield | : . |
| 6 | 7 | Lily PARSONS | 16 | Plymouth Lea | : . |
| 7 | 8 | Ciara MORRIS | 15 | Co Cardiff | : . |
| 8 | 9 | Amie PHILPOT | 15 | teamipswich | : . |
| 9 | 10 | Sophie YENDELL | 15 | Co Derby | : . |