| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jessica Shaw | 17 | Co Peterboro | 58.68 |
| 2 | 2 | Abigail Crawley | 17 | teamipswich | 58.05 |
| 3 | 3 | Grace Greenhalf | 15 | Co Norwich | 57.38 |
| 4 | 4 | May Bradburn | 18 | Basildon Ph | 56.89 |
| 5 | 5 | Skye Carter | 15 | Basildon Ph | 57.02 |
| 6 | 6 | Jessica Woodward | 19 | Hatfield | 57.83 |
| 7 | 7 | Sophie O'Keeffe | 20 | Co Cambridge | 58.27 |
| 8 | 8 | Emma Fields | 16 | Bishop Stort | 59.17 |