| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 2 | Elena Dewhurst | 15 | Anaconda | 26.28 |
| 2 | 3 | Rebecca Watt | 16 | DunmowAtlant | 26.21 |
| 3 | 4 | Victoria Deona Bergeli | 15 | Hamilton UAE | 25.89 |
| 4 | 5 | Zoe Bozzard-Hill | 22 | Co Birm'ham | 25.85 |
| 5 | 6 | Jasmine McCrea | 17 | Poole | 25.89 |
| 6 | 7 | Emily Haimes | 17 | Mt Kelly | 25.91 |
| 7 | 8 | Chiara Tommasello | 14 | Co Manch Aq | 26.24 |
| 8 | 9 | Jessica Woodward | 15 | Hatfield | 26.33 |