| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Caitlin Russell | 16 | Deben | 1:20.36 |
| 2 | 2 | Flora Shaul | 16 | UEA Norwich | 1:19.37 |
| 3 | 3 | Hayley Alcock | 16 | Modernians | 1:18.07 |
| 4 | 4 | Madeleine Churchman | 16 | Hatfield | 1:17.29 |
| 5 | 5 | Christie Bays | 16 | Hatfield | 1:17.32 |
| 6 | 6 | Grace Gilroy | 15 | Brentwood | 1:19.31 |
| 7 | 7 | Robyn Brett | 15 | Watford SC | 1:19.67 |
| 8 | 8 | Natalie Coogans | 16 | Dereham | 1:20.65 |