| Name | Age | Club | Time | Splits | ||
| 1 | Lauren Collins | 16 | England | 58.14 | 29.02 | 58.14 |
| 2 | Louise Farrer-Fisher | 16 | England | 58.41 | 28.26 | 58.41 |
| 3 | Georgia Davies | 16 | Wales | 59.17 | 29.42 | 59.17 |
| 4 | Fiona Doyle | 15 | Ireland | 59.24 | 28.77 | 59.24 |
| 5 | Eloise Barber | 15 | Scotland | 1:01.13 | 29.19 | 1:01.13 |
| 6 | Katelyn Stewart | 16 | Scotland | 1:01.27 | 29.82 | 1:01.27 |
| 7 | Ricia Gwenter | 16 | Wales | 1:01.60 | 29.58 | 1:01.60 |
| 8 | Emma Porter | 16 | Ireland | 1:02.28 | 29.87 | 1:02.28 |