| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Molly OLLINGTON | 16 | West Suffolk | 58.67 |
| 2 | 2 | Mollie ALLEN | 16 | Co Peterboro | 57.98 |
| 3 | 3 | Rebecca SHERWIN | 14 | teamipswich | 57.34 |
| 4 | 4 | Jessica JACKSON | 17 | Hatfield | 55.74 |
| 5 | 5 | Amy GODSAVE | 15 | Hoddesdon | 57.26 |
| 6 | 6 | Eleanor MITCHELL | 14 | Bishop Stort | 57.62 |
| 7 | 7 | Lucy OXBROW | 14 | teamipswich | 58.45 |
| 8 | 8 | Abigail WHITING | 15 | West Norfolk | 58.85 |