| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Amaia Steele | 12 | Nova Cent'n | 1:28.78 |
| 2 | 2 | Heaven Harris-Burton | 12 | Nova Cent'n | 1:28.28 |
| 3 | 3 | Abby Mitchell | 12 | Leic Sharks | 1:26.71 |
| 4 | 4 | Madeleine Platt | 12 | Leic Sharks | 1:26.07 |
| 5 | 5 | Megan Oram | 12 | BelperMarlin | 1:26.58 |
| 6 | 6 | Foteini Kalkani | 12 | Co Leicester | 1:27.25 |
| 7 | 7 | Alicia Clark | 12 | Worksop | 1:28.53 |
| 8 | 8 | Ellie Loades | 12 | Nova Cent'n | 1:29.28 |