| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Wynifred OWEN | 08 | Co Lincoln P | 1:14.72 |
| 2 | 2 | Gracie-May COLE | 08 | Co Lincoln P | 1:13.66 |
| 3 | 3 | Evelyn JACKSON | 08 | Lincoln Vulc | 1:10.53 |
| 4 | 4 | Olivia ANSTEY | 08 | Louth | 1:04.72 |
| 5 | 5 | Evie DICKINSON | 08 | Louth | 1:09.78 |
| 6 | 6 | Erin INGHAM | 08 | Louth | 1:12.13 |
| 7 | 7 | Lillie HAMILTON | 08 | South Lincs | 1:14.17 |
| 8 | 8 | Charlotte HODGIN | 08 | Co Lincoln P | 1:15.09 |