| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Francesca HALLAM-STOTT | 17 | Grantham | 1:25.15 |
| 2 | 2 | Grace TURNER | 17 | Grantham | 1:23.65 |
| 3 | 3 | Tiegan GRAY | 17 | Gainsborough | 1:19.72 |
| 4 | 4 | Ellisha COOKSON | 20 | South Lincs | 1:15.13 |
| 5 | 5 | Ellie PARKES | 18 | Co Lincoln P | 1:16.45 |
| 6 | 6 | Casey CLEAVER | 18 | Co Lincoln P | 1:23.36 |
| 7 | 7 | Liv SPENCER | 18 | Lincoln Vulc | 1:23.94 |
| 8 | 8 | Daniela BRINGEMAN | 17 | South Lincs | 1:25.65 |