| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Gracie-May COLE | 17 | Lincoln Vulc | 1:13.73 |
| 2 | 2 | Charlotte BEMROSE | 17 | Louth | 1:11.25 |
| 3 | 3 | Grace TURNER | 18 | Grantham | 1:10.14 |
| 4 | 4 | Olivia ANSTEY | 17 | Louth | 1:07.95 |
| 5 | 5 | Alexandra BULAT | 19 | Co Lincoln P | 1:08.15 |
| 6 | 6 | Ellie PARKES | 19 | Co Lincoln P | 1:10.70 |
| 7 | 7 | Sophie MARSHALL | 20 | Co Lincoln P | 1:13.68 |
| 8 | 8 | Katie MALONEY | 28 | Louth | 1:13.89 |