| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Isobel Hume | 17 | Northampton | : . |
| 1 | 2 | Emma Harvey | 18 | Millfield | : . |
| 2 | 3 | Kate Mills | 21 | Co Oxford | : . |
| 3 | 4 | Laura Stephens | 20 | Plymouth Lea | : . |
| 4 | 5 | Ciara Walsh | 19 | Guildford Ct | : . |
| 5 | 6 | Eleanor Cowan | 17 | Wycombe Dist | : . |
| 6 | 7 | Harriet Jones | 22 | Co Cardiff | : . |
| 7 | 8 | Sara Kalawska | 16 | Hatfield | : . |
| 8 | 9 | Isabel Spinley | 19 | Stockport Mo | : . |
| 9 | 10 | Sophie Yendell | 17 | Co Derby | : . |