| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Isabel HARBER | 14 | Verulam | 1:11.98 |
| 2 | 2 | Lily MERRETT | 14 | Hoddesdon | 1:10.91 |
| 3 | 3 | Eve WRIGHT | 14 | Co Peterboro | 1:10.65 |
| 4 | 4 | Emma CRUICKSHANKS | 14 | teamipswich | 1:07.60 |
| 5 | 5 | Emily WHYTE | 14 | teamipswich | 1:10.01 |
| 6 | 6 | Matilda MEYRICK | 14 | Norfolk Vikg | 1:10.70 |
| 7 | 7 | Hannah O'CONNOR | 14 | West Suffolk | 1:11.27 |
| 8 | 8 | Ellie CRONIN | 14 | Harlow Pen | 1:12.28 |