| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Faye Martinot | 12 | Nene Valley | 1:43.06 |
| 2 | 2 | Sofia Reedha | 12 | Corby | 1:38.74 |
| 3 | 3 | Islay-Mae Underwood | 12 | Kettering | 1:38.42 |
| 4 | 4 | Isobelle Frow | 12 | Corby | 1:37.26 |
| 5 | 5 | Kennedy McHugh | 12 | Rushden | 1:37.85 |
| 6 | 6 | Esmee Browne | 12 | Rushden | 1:38.57 |
| 7 | 7 | Teagan Payne | 12 | Northampton | 1:38.78 |
| 8 | 8 | Saxon Swann | 12 | Corby | 1:43.75 |