| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Sophie Lapucha | 12 | Team Luton | 40.82 |
| 2 | 2 | Adrienn Kovacs | 12 | DunmowAtlant | 40.74 |
| 3 | 3 | Teddi-May Thurman | 12 | Colchester | 39.77 |
| 4 | 4 | Florence Bretman | 12 | DunmowAtlant | 39.21 |
| 5 | 5 | Cassie Bonner | 12 | Epping For't | 39.44 |
| 6 | 6 | Anna Semiginovska | 12 | Bo Southend | 40.73 |
| 7 | 7 | Florence Law | 12 | Co Ely | 40.74 |
| 8 | 8 | Lucia Carradice | 12 | Co St Albans | 41.04 |