| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Sophie FOSTER | 11 | Louth Dolphins SC | 39.78 |
| 2 | 2 | Amy PALMER | 11 | City of Linc Pentaqua SC | 38.06 |
| 3 | 3 | Ellena HOWITT | 11 | Grantham SC | 36.99 |
| 4 | 4 | Kitty LAMB | 11 | South Lincs Competitive SC | 33.90 |
| 5 | 5 | Suzanna BURKE | 11 | Louth Dolphins SC | 35.45 |
| 6 | 6 | Maisie MATTHEWS | 11 | Louth Dolphins SC | 37.60 |
| 7 | 7 | Annabelle JAY | 11 | Grantham SC | 38.77 |
| 8 | 8 | Erin ARCHER | 11 | City of Linc Pentaqua SC | 40.39 |