| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Kovács Réka (2006)Iron Swim SE | 00:38.33 | - | 446 | |
| 2 | 5 | Bagaméri Panna (2007)Budapesti Honvéd | 00:38.64 | 00:00.31 | 436 | |
| 3 | 1 | Rozbora Mia Jázmin (2008)Vasas Sport Club | 00:38.83 | 00:00.50 | 429 | |
| 4 | 2 | Jancsa Édua (2009)Budapesti Honvéd | 00:38.87 | 00:00.54 | 428 | |
| 5 | 6 | Szabó Lilla Anna (2010)Kőbánya Sport Club | 00:39.88 | 00:01.55 | 396 | |
| 6 | 4 | Kovács Réka Júlia (2005)Vasas Sport Club | 00:40.18 | 00:01.85 | 387 | |
| 7 | 7 | Szarka Mira (2010)Monori Sport Egyes. | 00:40.44 | 00:02.11 | 380 | |
| 8 | 8 | Szabó Zsófia (2007)Egri Úszó Klub | 00:43.29 | 00:04.96 | 310 |