| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lily Mae Glover | 14 | Repton | 1:23.53 |
| 2 | 2 | Maisie Wilkes | 14 | Chesterfield | 1:21.41 |
| 3 | 3 | M Simpson-Dawson | 14 | Repton | 1:19.97 |
| 4 | 4 | Lydia Cordle | 14 | Repton | 1:17.74 |
| 5 | 5 | Evelyn Norvock | 14 | Dronfield | 1:19.28 |
| 6 | 6 | Janie Finch | 14 | Co Leicester | 1:20.84 |
| 7 | 7 | Isla Gray | 14 | Grantham | 1:22.64 |
| 8 | 8 | Isobel Allsop | 14 | Grantham | 1:23.63 |