| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Vajda Noémi (2009)Iron Swim SE | 00:39.61 | - | 404 | |
| 2 | 4 | Zámbori Hanna Zsófia (2009)BVSC-Zugló | 00:39.69 | 00:00.08 | 402 | |
| 2 | 2 | Bálint Petra Noémi (2010)Monori Sport Egyes. | 00:39.69 | 00:00.08 | 402 | |
| 4 | 1 | Háfra Panna (2009)Egri Úszó Klub | 00:40.08 | 00:00.47 | 390 | |
| 5 | 7 | Sasvári Alíz (2008)Ybl Waterpolo Club | 00:40.37 | 00:00.76 | 382 | |
| 6 | 3 | Nagy Zsófia (2008)Dombóvári | 00:40.54 | 00:00.93 | 377 | |
| 7 | 8 | Szalai Lili (2009)BVSC-Zugló | 00:40.74 | 00:01.13 | 371 | |
| 8 | 6 | Antal Petra (2008)FTC | 00:41.18 | 00:01.57 | 360 |