| Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Mea MOORE | 13 | Market Har | 42.78 |
| 2 | 2 | Charlotte LUCAS | 13 | Braunstone | 42.17 |
| 3 | 3 | Rochelle MOORE | 13 | Coalville | 41.85 |
| 4 | 4 | Shivani SHARMA | 13 | Braunstone | 38.98 |
| 5 | 5 | Florence LUCAS | 13 | Braunstone | 41.19 |
| 6 | 6 | Kaiya LOCKTON | 13 | Loughborough | 42.03 |
| 7 | 7 | Hollie WILLARS | 13 | Braunstone | 42.68 |
| 8 | 8 | Isla FOWLER | 13 | Coalville | 42.80 |