| Place | Name | AaD | Club | Time | FINA Pt | 50 | ||||
| 1. | Isabella Parsons-Loade | 12 | NottmLeander | 1:26.69 | 404 | 41.13 | ||||
| 2. | Maisie Matthews | 12 | Louth | 1:28.19 | 384 | 42.14 | ||||
| 3. | Caitlyn Richmond | 12 | Nova Cent'n | 1:29.17 | 371 | 41.90 | ||||
| 4. | Kitty Lamb | 12 | South Lincs | 1:29.53 | 367 | 41.94 | ||||
| 5. | Sian Hedley | 12 | Nova Cent'n | 1:31.19 | 347 | 42.29 | ||||
| 6. | Laura Graham-Brown | 12 | Co Leicester | 1:32.24 | 336 | 43.70 | ||||
| 7. | Islay-Mae Underwood | 12 | Kettering | 1:33.55 | 322 | 43.39 | ||||
| 8. | Molly Thompson | 12 | Repton | 1:33.95 | 318 | 44.74 |