| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Elysia SMITH | 14 | Louth | 1:31.63 |
| 2 | 2 | Sophie COOKSEY | 14 | Louth | 1:28.51 |
| 3 | 3 | Skye HOLMES | 14 | Louth | 1:26.97 |
| 4 | 4 | Isla GRAY | 14 | Grantham | 1:23.46 |
| 5 | 5 | Isobel ALLSOP | 14 | Grantham | 1:23.78 |
| 6 | 6 | Karolina PARKINSON | 14 | Lincoln Vulc | 1:28.50 |
| 7 | 7 | Evelyn RUSSELL | 14 | Lincoln Vulc | 1:28.56 |
| 8 | 8 | Maddison HODGIN | 14 | Co Lincoln P | 1:33.15 |