| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Ciara Walshe | 12 | Co Cambridge | 38.88 |
| 2 | 2 | Grace Greenhalf | 12 | Co Norwich | 38.69 |
| 3 | 3 | Ellie-Rose Lyon | 12 | Norwich Swan | 37.84 |
| 4 | 4 | Ellen Duffield | 12 | teamipswich | 37.44 |
| 5 | 5 | Mia Lowe | 12 | Basildon Ph | 37.53 |
| 6 | 6 | Rosalind Saise | 12 | teamipswich | 37.91 |
| 7 | 7 | Mabel Gigg | 12 | Co Norwich | 38.73 |
| 8 | 8 | Megan Gray | 12 | Hatfield | 39.03 |