| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Eleanor WILLIAMS | 14 | Watford SC | 1:20.54 |
| 2 | 2 | Annabelle BURGESS | 14 | teamipswich | 1:19.92 |
| 3 | 3 | Ellie MATTHEWS | 14 | Putteridge | 1:19.39 |
| 4 | 4 | Angharad EVANS | 14 | West Suffolk | 1:12.84 |
| 5 | 5 | Imogen BLOOMFIELD | 14 | Co Cambridge | 1:19.32 |
| 6 | 6 | Poppy ALLEN | 14 | Basildon Ph | 1:19.63 |
| 7 | 7 | Erin O'MEARA | 14 | Watford SC | 1:20.13 |
| 8 | 8 | Grace KING | 14 | teamipswich | 1:20.87 |