| Place | Name | AaD | Club | Time | FINA Pt | 50 | ||||
| 1. | Islay-Mae Underwood | 12 | Kettering | 1:34.38 | 313 | 43.80 | ||||
| 2. | Isobelle Frow | 12 | Corby | 1:35.49 | 302 | 46.11 | ||||
| 3. | Kennedy McHugh | 12 | Rushden | 1:37.70 | 282 | 46.90 | ||||
| 4. | Esmee Browne | 12 | Rushden | 1:39.59 | 267 | 48.96 | ||||
| 5. | Teagan Payne | 12 | Northampton | 1:39.66 | 266 | 46.52 | ||||
| 6. | Sofia Reedha | 12 | Corby | 1:41.79 | 250 | 48.87 | ||||
| 7. | Saxon Swann | 12 | Corby | 1:43.28 | 239 | 48.03 | ||||
| 8. | Faye Martinot | 12 | Nene Valley | 1:47.76 | 210 | 49.30 |