| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Leah Whittaker | 13 | Ealing | 30.95 |
| 1 | 2 | Ella McGhie | 14 | Co Peterboro | 30.86 |
| 2 | 3 | Caitlin Ebbage | 13 | Tonbridge | 30.79 |
| 3 | 4 | Sophie Freeman | 14 | Colchester | 30.78 |
| 4 | 5 | Emily Iley | 14 | Bo Waltham F | 30.08 |
| 5 | 6 | Chiara Tommasello | 14 | Co Manch Aq | 30.59 |
| 6 | 7 | Katie Shanahan | 14 | Co Glasgow | 30.78 |
| 7 | 8 | Astrid Hannah | 14 | Millfield | 30.83 |
| 8 | 9 | Bella Hodges | 14 | Mt Kelly | 30.86 |
| 9 | 10 | Lottie James | 14 | AbingdonVale | 31.04 |