| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Gracie-May COLE | 08 | City of Linc Pentaqua SC | 1:27.76 |
| 2 | 2 | Charlotte BEMROSE | 08 | Louth Dolphins SC | 1:26.70 |
| 3 | 3 | Grace TWILTON | 08 | Lincoln Vulcans SC | 1:23.18 |
| 4 | 4 | Olivia ANSTEY | 08 | Louth Dolphins SC | 1:15.21 |
| 5 | 5 | Madeleine SMIRTHWAITE | 08 | City of Linc Pentaqua SC | 1:17.09 |
| 6 | 6 | Wynifred OWEN | 08 | City of Linc Pentaqua SC | 1:25.05 |
| 7 | 7 | Lillie HAMILTON | 08 | South Lincs Competitive SC | 1:27.69 |
| 8 | 8 | Lucy CARTER | 08 | Louth Dolphins SC | 1:28.02 |