| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Alexandra HALLAM-STOTT | 06 | Grantham SC | 1:09.89 |
| 2 | 2 | Evie TURNER | 06 | Grantham SC | 1:09.66 |
| 3 | 3 | Grace TURNER | 07 | Grantham SC | 1:09.20 |
| 4 | 4 | Emma CROKER | 05 | South Lincs Competitive SC | 1:05.48 |
| 5 | 5 | Alexandra BULAT | 06 | Lincoln Vulcans SC | 1:06.11 |
| 6 | 6 | Holly GILES | 06 | Louth Dolphins SC | 1:09.43 |
| 7 | 7 | Ruby WARING | 06 | Louth Dolphins SC | 1:09.84 |
| 8 | 8 | Beatrice FINCH | 06 | South Lincs Competitive SC | 1:10.01 |