| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Leah Gowing | 17 | Co Coventry | : . |
| 1 | 2 | Olivia GARDNER | 16 | Ellesmere Co | : . |
| 2 | 3 | Libby Mitchell | 21 | TauntonDeane | : . |
| 3 | 4 | Hannah BURVILL | 17 | Woking | : . |
| 4 | 5 | Clare Fowlie | 17 | Millfield | : . |
| 5 | 6 | Chloe Tutton | 18 | Co Cardiff | : . |
| 6 | 7 | Lucy OXBROW | 15 | teamipswich | : . |
| 7 | 8 | Ellie FAULKNER | 21 | Co Sheffield | : . |
| 8 | 9 | Ekaterina Avramova | 23 | Ealing | : . |
| 9 | 10 | Zoe Gidden | 19 | Northampton | : . |