| Name | Age | Club | Time | Splits | ||
| 1 | Alena Popchanka | 28 | Co Edinburgh | 55.02 | 26.73 | 55.02 |
| 2 | Clare Dawson | 21 | Ireland | 58.30 | 27.90 | 58.30 |
| 3 | Fiona Doyle | 16 | Swim Ireland | 58.31 | 28.23 | 58.31 |
| 4 | Hannah Miley | 18 | Garioch | 58.65 | 29.05 | 58.65 |
| 5 | Natalie Durant | 17 | Ealing | 58.72 | 28.48 | 58.72 |
| 6 | Lucy Ellis | 15 | Scotland | 58.87 | 28.57 | 58.87 |
| 7 | Megan Gilchrist | 17 | Co Edinburgh | 59.76 | 29.34 | 59.76 |
| 8 | Bethan Thomas | 18 | Wales | 1:00.05 | 29.46 | 1:00.05 |