| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Konkoly Lilla Dóra (2012)H2O Sportegyesület | 44.08 | - | 293 | |
| 2 | 4 | Filetóth Szonja Zoé (2012)Darnyi Tamás SC | 44.79 | 00.71 | 279 | |
| 3 | 6 | Molnár Kitti (2012)II. Kerületi Sport | 45.55 | 01.47 | 266 | |
| 4 | 2 | Pinezits Szofi (2012)Budapesti Honvéd | 47.19 | 03.11 | 239 | |
| 5 | 8 | Elekes Alíz (2014)BVSC-Zugló | 47.49 | 03.41 | 234 | |
| 6 | 3 | Madarassy Borbála (2012)Darnyi Tamás SC | 48.05 | 03.97 | 226 | |
| 7 | 1 | Varga-Kasza Patrícia Petra (2014)Budapesti Honvéd | 48.27 | 04.19 | 223 | |
| 8 | 7 | Máth Júlia (2015)MATE - GEAC | 50.34 | 06.26 | 197 |