| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Poppy Ludgate | 10 | Co Peterboro | 1:38.01 |
| 2 | 2 | Sophie Payne | 10 | Hatfield | 1:36.89 |
| 3 | 3 | Mia Leech | 10 | Co Peterboro | 1:31.98 |
| 4 | 4 | Amelia Monaghan | 10 | Co Peterboro | 1:28.71 |
| 5 | 5 | Maisie Easter | 10 | UEA Norwich | 1:31.69 |
| 6 | 6 | Megan Pye | 10 | UEA Norwich | 1:36.09 |
| 7 | 7 | Kaelah Lawson | 10 | Modernians | 1:37.48 |
| 8 | 8 | Anna Blakeley | 10 | Co Peterboro | 1:38.12 |