| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Sarah Larner | 19 | Chelmsford | 1:12.22 |
| 2 | 2 | Keely Empson | 17 | UEA Norwich | 1:10.54 |
| 3 | 3 | Georgie Smith | 19 | Harpenden | 1:07.80 |
| 4 | 4 | Grace Lee | 18 | Hatfield | 1:06.95 |
| 5 | 5 | Faye Nugent | 17 | Hatfield | 1:07.23 |
| 6 | 6 | Flora Hanson | 18 | Hatfield | 1:08.24 |
| 7 | 7 | Samantha Auker | 17 | Co Cambridge | 1:11.84 |
| 8 | 8 | Lucy Gregory | 18 | Leighton Buz | 1:13.31 |