| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isobel ALLSOP | 15 | Grantham | 1:06.36 |
| 2 | 2 | Skye HOLMES | 15 | Louth | 1:06.28 |
| 3 | 3 | Isla GRAY | 15 | Grantham | 1:05.04 |
| 4 | 4 | Elysia SMITH | 15 | Louth | 1:02.91 |
| 5 | 5 | Maddison HODGIN | 15 | Co Lincoln P | 1:04.51 |
| 6 | 6 | Charlotte JENKINSON | 15 | Deepings | 1:05.29 |
| 7 | 7 | Emilie WEBB | 15 | Grantham | 1:06.36 |
| 8 | 8 | Sophie COOKSEY | 15 | Louth | 1:06.37 |