| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Caitlin RUSSELL | 18 | Deben | 1:19.10 |
| 2 | 2 | Natalie COOGANS | 18 | West Norfolk | 1:17.50 |
| 3 | 3 | Madeleine CHURCHMAN | 19 | Hatfield | 1:16.88 |
| 4 | 4 | Rebecca BURTON | 17 | Modernians | 1:13.52 |
| 5 | 5 | Louise BUSH | 24 | UEA Norwich | 1:16.16 |
| 6 | 6 | Cira FLETCHER | 17 | Bishop Stort | 1:17.47 |
| 7 | 7 | Kate MCQUAID | 17 | Hatfield | 1:18.18 |
| 8 | 8 | Grace RAYNER | 17 | Hemel Hemp | 1:19.50 |