| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Brodie Judge | 18 | Ealing | 29.10 |
| 1 | 2 | Sophie Maguire | 18 | Mid Sussex | 29.06 |
| 2 | 3 | Mia Carter | 17 | Bishop Stort | 29.01 |
| 3 | 4 | Oriana Munden | 18 | Co Bristol | 28.86 |
| 4 | 5 | Imogen Meers | 17 | Bromley | 28.47 |
| 5 | 6 | Emily Peck | 18 | Co Manch Aq | 28.86 |
| 6 | 7 | Sophie Shaw | 17 | Mid Sussex | 28.94 |
| 7 | 8 | Emily Iley | 15 | Bo Waltham F | 29.05 |
| 8 | 9 | Libby Freeman | 13 | Morpeth | 29.09 |
| 9 | 10 | Annabel Smith | 16 | Bromley | 29.12 |