| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Emilija IVANOVA | 16 | Boston | 1:19.35 |
| 2 | 2 | Lexie HAMILTON | 16 | South Lincs | 1:17.21 |
| 3 | 3 | Megan LAMB | 16 | Lincoln Vulc | 1:14.44 |
| 4 | 4 | Grace MACDONALD | 16 | Grantham | 1:09.94 |
| 5 | 5 | Hannah BRUCE | 16 | South Lincs | 1:12.15 |
| 6 | 6 | Sophie WARD | 16 | Grantham | 1:15.89 |
| 7 | 7 | Emily BRIGGS | 16 | South Lincs | 1:17.93 |
| 8 | 8 | Harriet MCCORMACK | 16 | Grantham | 1:20.24 |