| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Charlotte HODGIN | 08 | City of Linc Pentaqua SC | 1:15.52 |
| 2 | 2 | Grace TWILTON | 08 | Lincoln Vulcans SC | 1:14.71 |
| 3 | 3 | Evelyn JACKSON | 08 | Lincoln Vulcans SC | 1:13.72 |
| 4 | 4 | Olivia ANSTEY | 08 | Louth Dolphins SC | 1:07.89 |
| 5 | 5 | Madeleine SMIRTHWAITE | 08 | City of Linc Pentaqua SC | 1:12.34 |
| 6 | 6 | Evie DICKINSON | 08 | Louth Dolphins SC | 1:14.11 |
| 7 | 7 | Wynifred OWEN | 08 | City of Linc Pentaqua SC | 1:14.86 |
| 8 | 8 | Charlotte BEMROSE | 08 | Louth Dolphins SC | 1:15.96 |