| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Maddison HODGIN | 10 | City of Linc Pentaqua SC | 1:11.30 |
| 2 | 2 | Sophie COOKSEY | 10 | Louth Dolphins SC | 1:10.04 |
| 3 | 3 | Skye HOLMES | 10 | Louth Dolphins SC | 1:08.73 |
| 4 | 4 | Elysia SMITH | 10 | Louth Dolphins SC | 1:07.67 |
| 5 | 5 | Isla GRAY | 10 | Grantham SC | 1:08.63 |
| 6 | 6 | Lucy WILSON | 10 | South Lincs Competitive SC | 1:09.47 |
| 7 | 7 | Emilie WEBB | 10 | Grantham SC | 1:11.10 |
| 8 | 8 | Karolina PARKINSON | 10 | Lincoln Vulcans SC | 1:12.12 |