| Place | Name | AaD | Club | Time | R.T. | FINA Pt | 50 | |||
| 1. | Leah Gowing | 18 | Co Coventry | 58.53 | + 0.71 | 704 | 28.08 | |||
| 1. | Isobel Jones | 18 | Co Milton K | 58.53 | + 0.67 | 704 | 28.11 | |||
| 3. | Dannielle Benn | 19 | Guildford Ct | 58.86 | + 0.77 | 692 | 28.18 | |||
| 4. | Zoe Bozzard-Hill | 19 | Teddington | 59.32 | + 0.31 | 676 | 28.75 | |||
| 5. | Emily Corry | 18 | Plymouth Lea | 59.55 | + 0.70 | 668 | 29.10 |