| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Sztankovics Anna (1996)NYSC | 00:30.46 99.836% | - | A4 | |
| 2 | Olajos Dorottya (2001)Vasas Sport Club | 00:31.32 101.323% | 00:00.86 | A5 | |
| 3 | Sebestyén Dalma (1997)Győri Úszó Sportegy. | 00:31.33 98.114% | 00:00.87 | A3 | |
| 4 | Halmai Petra (1997)Kaposvári SI | 00:31.37 99.776% | 00:00.91 | A6 | |
| 5 | Békési Eszter (2002)BVSC-Zugló | 00:31.54 99.490% | 00:01.08 | A2 | |
| 6 | Suba Zsófi (2003)Budapesti Honvéd | 00:31.70 100.032% | 00:01.24 | A7 | |
| 7 | Huszár Ingrid (2003)BVSC-Zugló | 00:31.74 100.283% | 00:01.28 | A1 | |
| 8 | Kalmár Aliz (2002)Szombathelyi SK SI | 00:31.97 99.812% | 00:01.51 | A8 | |
| 9 | Jakabos Zsuzsanna (1989)Győri Úszó Sportegy. | 00:31.98 97.664% | 00:01.52 | VL | |
| 10 | Barna Bianka Dorottya (2006)NYSC | 00:32.36 99.628% | 00:01.90 | B4 | |
| 11 | Halmai Blanka (1999)Kaposvári SI | 00:32.42 99.504% | 00:01.96 | B5 | |
| 12 | Szőke Zita (2003)NICS-HSÚVC | 00:32.81 100.334% | 00:02.35 | B3 | |
| 13 | Palyokha Khristina (2004)Ukraine | 00:32.98 101.552% | 00:02.52 | B6 | |
| 14 | Joó Kata (2004)Bálinti Úszó Egyes. | 00:33.08 102.820% | 00:02.62 | B2 | |
| 15 | Megyesi Vanda (2009)Győri Úszó Sportegy. | 00:33.38 99.002% | 00:02.92 | B7 | |
| 16 | Medvedieva Olha (2005)Ukraine | 00:33.47 99.187% | 00:03.01 | B1 | |
| 17 | Zsunics Boglárka (2006)BVSC-Zugló | 00:34.02 103.105% | 00:03.56 | B8 | |
| 18 | Kardos Eszter (2005)Kaposvári SI | 00:34.08 99.765% | 00:03.62 | T1 | |
| 19 | Nemes Kamilla Viola (2006)Kőbánya Sport Club | 00:34.14 102.122% | 00:03.68 | T2 | |
| 20 | Balázs Petra (2005)Budafóka XXII. SE | 00:34.17 99.411% | 00:03.71 | ||
| 21 | Király Zsófi (2005)Kaposvári SI | 00:34.19 101.612% | 00:03.73 | ||
| 22 | Kalmár Laura (2002)Szombathelyi SK SI | 00:34.25 105.387% | 00:03.79 | ||
| 23 | Zbiskó Evelin (2005)Vasas Sport Club | 00:34.40 99.884% | 00:03.94 | ||
| 24 | Kovács Nóra (2004)Kaposvári SI | 00:34.61 101.732% | 00:04.15 | ||
| 25 | Puzsa Petra (2010)A Jövő SC | 00:34.63 102.533% | 00:04.17 | ||
| 26 | Rékasi Eszter (2007)Bálinti Úszó Egyes. | 00:34.67 102.803% | 00:04.21 | ||
| 27 | Pálinkás Luca (2008)Budafóka XXII. SE | 00:35.06 100.680% | 00:04.60 | ||
| 28 | Szabó Nóra (2008)Bajai SSC | 00:35.25 99.658% | 00:04.79 | ||
| 29 | Czeglédi Diána (2008)BÁCSVÍZ SC | 00:35.49 100.588% | 00:05.03 | ||
| 30 | Detrich Luca (2008)Kaposvári SI | 00:35.50 100.225% | 00:05.04 | ||
| 30 | Horváth Hanna Kata (2007)Sárvári Gyógyfürdő | 00:35.50 100.477% | 00:05.04 | ||
| 32 | Király Anna (2006)Stamina TKSA | 00:35.59 104.559% | 00:05.13 | ||
| 33 | Király Flóra (2008)Kaposvári SI | 00:36.04 101.879% | 00:05.58 | ||
| 34 | Seres-Gömöry Lili (2006)Iron Swim SE | 00:36.30 101.679% | 00:05.84 | ||
| 35 | Boruzs Bianka (2007)Kaposvári SI | 00:36.36 100.872% | 00:05.90 | ||
| 36 | Grexák Nóra (2006)NICS-HSÚVC | 00:37.13 95.320% | 00:06.67 | ||
| 37 | Kovács Fruzsina (2006)Iron Swim SE | 00:37.17 101.823% | 00:06.71 | ||
| 38 | Juhász Ada Boglárka (2007)Móri Úszó Egyesület | 00:37.21 97.437% | 00:06.75 | ||
| 39 | Jáger Mira (2003)MATE - GEAC | 00:37.70 99.306% | 00:07.24 | ||
| - | Okos Glória (1999)Budapesti Honvéd | DSQ - | |||
| - | Hives Katica (2003)Vasas Sport Club | DNS - | |||
| - | Revuczky Anna (2007)Budafóka XXII. SE | DNS - | |||