| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Scarlett MORINE | 11 | Chelmsford | 1:15.99 |
| 2 | 2 | Mia LEECH | 11 | Co Peterboro | 1:14.76 |
| 3 | 3 | Olivia NORMAN | 11 | Colchester | 1:13.46 |
| 4 | 4 | Maisie EASTER | 11 | UEA Norwich | 1:11.62 |
| 5 | 5 | Amelia MONAGHAN | 11 | Co Peterboro | 1:13.34 |
| 6 | 6 | Megan PYE | 11 | UEA Norwich | 1:13.50 |
| 7 | 7 | Kaelah LAWSON | 11 | Modernians | 1:14.77 |
| 8 | 8 | Anna BLAKELEY | 11 | Co Peterboro | 1:16.69 |