| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Verity Roberts | 10 | Long Eaton | 43.30 |
| 2 | 2 | Hannah John | 11 | Repton | 42.84 |
| 3 | 3 | Nancy Dumphy-Wraith | 11 | Matlock | 41.37 |
| 4 | 4 | Katherine Liu | 11 | DerbyPhoenix | 37.96 |
| 5 | 5 | Isla Davies | 11 | Chesterfield | 38.40 |
| 6 | 6 | Rose Johnson | 11 | Eckington | 42.54 |
| 7 | 7 | Henrietta Hems Gillson | 11 | Repton | 42.98 |
| 8 | 8 | Tabatha Hems Gilson | 10 | Repton | 43.71 |