| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Erin NORTON | 14 | Boston | 1:22.97 |
| 2 | 2 | Isla GRAY | 14 | Grantham | 1:20.30 |
| 3 | 3 | Elysia SMITH | 14 | Louth | 1:17.10 |
| 4 | 4 | Sophie COOKSEY | 14 | Louth | 1:13.92 |
| 5 | 5 | Skye HOLMES | 14 | Louth | 1:15.37 |
| 6 | 6 | Charlotte JENKINSON | 14 | Deepings | 1:17.56 |
| 7 | 7 | Megan RUTT | 14 | Boston | 1:22.34 |
| 8 | 8 | Maddison HODGIN | 14 | Co Lincoln P | 1:23.52 |