| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Hannah BRUCE | 09 | South Lincs Competitive SC | 1:16.53 |
| 2 | 2 | Helena FIELD | 09 | Louth Dolphins SC | 1:15.34 |
| 3 | 3 | Megan BROWN | 09 | Grantham SC | 1:13.71 |
| 4 | 4 | Lilli-Rose CARR | 09 | City of Linc Pentaqua SC | 1:11.30 |
| 5 | 5 | Grace MACDONALD | 09 | Grantham SC | 1:11.66 |
| 6 | 6 | Alice-Mae DOWNS | 09 | Lincoln Vulcans SC | 1:14.44 |
| 7 | 7 | Sigourney BOLTON | 09 | South Lincs Competitive SC | 1:16.09 |
| 8 | 8 | Isabella WALTER | 09 | Louth Dolphins SC | 1:18.38 |