| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Fekete Laura (2011)KÚKSE | 00:46.29 | - | 253 | |
| 2 | 5 | Tömör Janka (2013)BVSC-Zugló | 00:46.53 | 00:00.24 | 249 | |
| 3 | 8 | Tombor Panna (2011)Iron Swim SE | 00:46.98 | 00:00.69 | 242 | |
| 4 | 3 | Kiss Zsófia (2011)Dombóvári | 00:47.00 | 00:00.71 | 242 | |
| 5 | 6 | Kovács Mira Boglárka (2013)FTC | 00:48.09 | 00:01.80 | 226 | |
| 6 | 2 | Sós Andrea Magdolna (2011)Egri Úszó Klub | 00:48.79 | 00:02.50 | 216 | |
| 7 | 1 | Végh Lilla (2011)Kis-Pingvin SE | 00:49.37 | 00:03.08 | 209 | |
| 8 | 7 | Juhász Lili (2011)Érdi Vízisport Kft | 00:50.16 | 00:03.87 | 199 |