| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Megan RUTT | 10 | Boston Amateur SC | 1:20.59 |
| 2 | 2 | Maddison HODGIN | 10 | City of Linc Pentaqua SC | 1:19.42 |
| 3 | 3 | Isobel ALLSOP | 10 | Grantham SC | 1:17.07 |
| 4 | 4 | Emilie WEBB | 10 | Grantham SC | 1:12.61 |
| 5 | 5 | Skye HOLMES | 10 | Louth Dolphins SC | 1:16.65 |
| 6 | 6 | Elysia SMITH | 10 | Louth Dolphins SC | 1:19.37 |
| 7 | 7 | Sophie COOKSEY | 10 | Louth Dolphins SC | 1:19.54 |
| 8 | 8 | Lucy WILSON | 10 | South Lincs Competitive SC | 1:21.56 |