| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Evie Greenhalf | 15 | Co Norwich | 1:21.32 |
| 2 | 2 | Nicole Peddelty | 15 | teamipswich | 1:19.71 |
| 3 | 3 | Isla Stewart | 15 | Co Peterboro | 1:18.67 |
| 4 | 4 | Jasmine Hall | 15 | Basildon Ph | 1:18.59 |
| 5 | 5 | Molly Greatbatch | 15 | Bishop Stort | 1:18.65 |
| 6 | 6 | Verity Hamilton | 15 | Norwich Swan | 1:18.74 |
| 7 | 7 | Alexis Johnson | 15 | Co Peterboro | 1:20.50 |
| 8 | 8 | Gigi Raubitschek-Smith | 15 | Co St Albans | 1:21.43 |