| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Isobelle Frow | 12 | Corby | 1:32.75 |
| 2 | 2 | Mackenzie Wainwright | 12 | Northampton | 1:32.05 |
| 3 | 3 | Lexie Webb | 12 | Rushden | 1:28.35 |
| 4 | 4 | Teagan Payne | 12 | Northampton | 1:23.89 |
| 5 | 5 | Lilly Kowal | 12 | Wellingboro | 1:26.98 |
| 6 | 6 | Kimberley Hayes | 12 | Kettering | 1:28.37 |
| 7 | 7 | Holly Coleman | 12 | Wellingboro | 1:32.45 |
| 8 | 8 | Imogen Langley | 12 | Rushden | 1:33.22 |