| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isla Gray | 14 | Grantham | 37.95 |
| 2 | 2 | Chong Yuet Chiu | 14 | Bramcote | 37.85 |
| 3 | 3 | Lily Mae Glover | 14 | Repton | 37.41 |
| 4 | 4 | Maisie Wilkes | 14 | Chesterfield | 36.62 |
| 5 | 5 | Evelyn Norvock | 14 | Dronfield | 37.08 |
| 6 | 6 | Sasha Dzus | 14 | Nova Cent'n | 37.47 |
| 7 | 7 | M Simpson-Dawson | 14 | Repton | 37.88 |
| 8 | 8 | Isobel Allsop | 14 | Grantham | 38.21 |