| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Aiyana LAWSON | 16 | Co Milton K | : . |
| 1 | 2 | Caitlin MACKAY | 16 | Wycombe Dist | : . |
| 2 | 3 | Emily WOOD | 18 | Co Oxford | : . |
| 3 | 4 | Megan SHEARD | 16 | Stockport Mo | : . |
| 4 | 5 | Lucy BEAN | 20 | Guildford Ct | : . |
| 5 | 6 | Sophia WILSON | 16 | Millfield | : . |
| 6 | 7 | Laura STEPHENS | 18 | Plymouth Lea | : . |
| 7 | 8 | Chloe TUTTON | 21 | Co Cardiff | : . |
| 8 | 9 | Rebecca SHERWIN | 17 | teamipswich | : . |
| 9 | 10 | Eleanor BALDWIN | 18 | Co Derby | : . |