| Name | Age | Club | Time | Splits | ||
| 1 | Martha Davis | 16 | Leinster | 59.95 | 28.72 | 59.95 |
| 2 | Eloise Barber | 15 | SwimScotland | 1:00.40 | 29.30 | 1:00.40 |
| 3 | Kimberley Rowles | 15 | Swim Wales | 1:01.67 | 30.67 | 1:01.67 |
| 4 | Kiri Fisher | 15 | Leinster | 1:01.81 | 29.18 | 1:01.81 |
| 5 | Robyn Matthews | 16 | SwimScotland | 1:02.31 | 30.78 | 1:02.31 |
| 6 | Sarah Henderson | 15 | Bangor | 1:02.42 | 29.71 | 1:02.42 |
| 7 | Nicola Ferguson | 16 | Ulster | 1:02.99 | 30.54 | 1:02.99 |
| 8 | Lucy Ellis | 15 | SwimScotland | 1:12.58 | 35.53 | 1:12.58 |