| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Chloe HOPKINSON | 05 | Grantham SC | 1:10.82 |
| 2 | 2 | Grace TURNER | 07 | Grantham SC | 1:10.61 |
| 3 | 3 | Alexandra BULAT | 06 | Lincoln Vulcans SC | 1:09.24 |
| 4 | 4 | Bethany WALKER | 00 | Gainsborough Dolphins SC | 1:07.93 |
| 5 | 5 | Katie FOUNDS | 06 | City of Linc Pentaqua SC | 1:08.76 |
| 6 | 6 | Katie MALONEY | 97 | Lincoln Vulcans SC | 1:09.60 |
| 7 | 7 | Beatrice FINCH | 06 | South Lincs Competitive SC | 1:10.62 |
| 8 | 8 | Charlotte WRIGHT | 05 | Louth Dolphins SC | 1:10.85 |