| Name | Age | School | Time | Splits | ||
| 1 | Sara Hamilton | 16 | Scotland | 57.88 | 28.20 | 57.88 |
| 2 | Emma Saunders | 16 | England | 57.99 | 28.98 | 57.99 |
| 3 | Charlotte Bryan | 15 | Wales | 1:00.35 | 29.23 | 1:00.35 |
| 4 | India McGlynn | 16 | Ireland | 1:00.77 | 28.95 | 1:00.77 |
| 5 | Jessica Wilkie | 15 | Scotland | 1:01.44 | 29.69 | 1:01.44 |
| 6 | Lucy Charles | 16 | England | 1:01.75 | 29.83 | 1:01.75 |
| 7 | Shauna O'Brien | 16 | Ireland | 1:02.13 | 30.29 | 1:02.13 |