| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Rianna Smith | 14 | Brentwood | 1:22.51 |
| 2 | 2 | Lucinda Yau | 14 | Co Peterboro | 1:21.32 |
| 3 | 3 | Sophie Bowler | 14 | St Felix Sch | 1:19.07 |
| 4 | 4 | Rebecca Burton | 14 | Co Cambridge | 1:17.77 |
| 5 | 5 | Laura Marzolini | 14 | Norwich Swan | 1:17.98 |
| 6 | 6 | Laura Stephens | 14 | Colchester | 1:19.30 |
| 7 | 7 | Cira Fletcher | 14 | Bishop Stort | 1:21.47 |
| 8 | 8 | Isabel Holmes | 14 | Dereham | 1:23.16 |