| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isabella REYNOLDS | 14 | Deepings | 1:18.29 |
| 2 | 2 | Maddison HODGIN | 14 | Co Lincoln P | 1:17.29 |
| 3 | 3 | Sophie COOKSEY | 14 | Louth | 1:15.13 |
| 4 | 4 | Elysia SMITH | 14 | Louth | 1:14.24 |
| 5 | 5 | Skye HOLMES | 14 | Louth | 1:14.48 |
| 6 | 6 | Eydee CHILVERS | 14 | South Lincs | 1:17.05 |
| 7 | 7 | Charlotte JENKINSON | 14 | Deepings | 1:17.30 |
| 8 | 8 | Megan RUTT | 14 | Boston | 1:18.38 |