| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Olivia Halcox | 15 | Millfield | 28.46 |
| 1 | 2 | Tegan Drew | 15 | Plymouth Lea | 28.44 |
| 2 | 3 | Yasmin Boff | 15 | Plymouth Lea | 28.23 |
| 3 | 4 | Isabelle McNab | 15 | Aquae Sulis | 28.10 |
| 4 | 5 | Emma England | 15 | Plymouth Lea | 27.42 |
| 5 | 6 | Georgia Keen | 15 | Aquae Sulis | 28.04 |
| 6 | 7 | Emma Shilton | 15 | Millfield | 28.18 |
| 7 | 8 | Phoebe Campbell | 15 | Tiverton | 28.27 |
| 8 | 9 | Amelia Chappell | 15 | Clevedon | 28.46 |
| 9 | 10 | Megan Richards | 15 | Weston S M | 28.54 |