| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Kaylee Dekker | 17 | Natare W Lon | 58.15 |
| 1 | 2 | Megan Allison | 17 | Co Newport | 57.83 |
| 2 | 3 | Emily Peck | 18 | Preston | 57.63 |
| 3 | 4 | Emily Haimes | 18 | Mt Kelly | 57.42 |
| 4 | 5 | Jemima Hall | 18 | Wycombe Dist | 56.83 |
| 5 | 6 | Sophie Smith | 18 | St Thomas | 57.18 |
| 6 | 7 | Macy Lawrence | 17 | Mt Kelly | 57.56 |
| 7 | 8 | Athena Clayson | 18 | Mt Kelly | 57.76 |
| 8 | 9 | Anna Podurgiel | 17 | Camden Swiss | 57.93 |
| 9 | 10 | Alicia Dingle | 17 | Royal Wolv | 58.34 |