| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Taryn Payne | 14 | Northampton | 1:35.45 |
| 2 | 2 | Chiara Reedha | 14 | Corby | 1:33.59 |
| 3 | 3 | Megan Barber | 14 | Kettering | 1:32.59 |
| 4 | 4 | Nya Wilkinson | 14 | Northampton | 1:23.59 |
| 5 | 5 | Lily Baish | 14 | Kettering | 1:25.70 |
| 6 | 6 | Bethany Hughes | 14 | Wellingboro | 1:32.82 |
| 7 | 7 | Evie Donnison | 14 | Daventry | 1:33.60 |
| 8 | 8 | Elizabeth Pow | 14 | Rushden | 1:35.53 |