| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Nadine Smith | 12 | Hatfield | 1:25.33 |
| 2 | 2 | Niamh Warrington | 12 | Co Peterboro | 1:24.20 |
| 3 | 3 | Amelia Barnetson | 12 | Bo Southend | 1:23.64 |
| 4 | 4 | Kalya Aung | 12 | Colchester | 1:21.75 |
| 5 | 5 | Katialin Dang | 12 | Harpenden | 1:23.08 |
| 6 | 6 | Molly Bow | 12 | Modernians | 1:24.15 |
| 7 | 7 | Jessica Mansfield | 12 | Co Peterboro | 1:25.20 |
| 8 | 8 | Aiyana Lawson | 12 | Modernians | 1:25.75 |