| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Aliyah MOHAMED | 11 | South Lincs Competitive SC | 39.82 |
| 2 | 2 | Lucy WILLATTS | 11 | Grantham SC | 39.57 |
| 3 | 3 | Amy PALMER | 11 | City of Linc Pentaqua SC | 37.92 |
| 4 | 4 | Kitty LAMB | 11 | South Lincs Competitive SC | 34.67 |
| 5 | 5 | Maisie MATTHEWS | 11 | Louth Dolphins SC | 36.97 |
| 6 | 6 | Annabelle JAY | 11 | Grantham SC | 39.33 |
| 7 | 7 | Eleanor BIRINY | 11 | Lincoln Vulcans SC | 39.69 |
| 8 | 8 | Suzanna BURKE | 11 | Louth Dolphins SC | 39.86 |