| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Emily BRIGGS | 09 | South Lincs | 1:17.74 |
| 2 | 2 | Hannah BRUCE | 09 | South Lincs | 1:15.42 |
| 3 | 3 | Megan BROWN | 09 | Grantham | 1:12.31 |
| 4 | 4 | Lilli-Rose CARR | 09 | Co Lincoln P | 1:08.84 |
| 5 | 5 | Grace MACDONALD | 09 | Grantham | 1:11.75 |
| 6 | 6 | Corey FARLEY | 09 | Grantham | 1:12.35 |
| 7 | 7 | Emmy STINTON | 09 | Co Lincoln P | 1:17.47 |
| 8 | 8 | Helena FIELD | 09 | Louth | 1:18.04 |