| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Tessa Quayle | 14 | St Ives | 1:23.70 |
| 2 | 2 | Isla Hamilton | 14 | Norwich Swan | 1:19.69 |
| 3 | 3 | Ellie Smith | 14 | Co Norwich | 1:18.54 |
| 4 | 4 | Gracie Parker | 14 | Basildon Ph | 1:17.10 |
| 5 | 5 | Kesia Crees | 14 | Basildon Ph | 1:18.25 |
| 6 | 6 | Ella Greatbatch | 14 | Bishop Stort | 1:18.69 |
| 7 | 7 | Ava Wilson | 14 | New Hall | 1:22.54 |
| 8 | 8 | Hollie Heighes | 14 | Bishop Stort | 1:24.13 |