| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Varga Dominika (2001)Iron Swim SE | 27.04 100.111% | - | A4 | |
| 2 | Ollé Mónika Beatrix (1999)Stamina TKSA | 27.25 96.663% | 00.21 | A5 | |
| 3 | Cibulková Martina (2003)Slovakia | 28.39 98.498% | 01.35 | A3 | |
| 4 | Tankó Beatrix (2004)Újpesti Torna Egylet | 28.48 98.213% | 01.44 | A6 | |
| 5 | Abonyi-Tóth Glenda (2006)A Jövő SC | 29.14 97.826% | 02.10 | A2 | |
| 6 | Berecz Blanka (2002)Kőbánya Sport Club | 29.19 99.553% | 02.15 | A7 | |
| 7 | Lakó Dorina (2009)Győri Úszó Sportegy. | 29.65 99.696% | 02.61 | A1 | |
| 8 | Kubalová Martina Hana (1999)Slovakia | 29.72 98.636% | 02.68 | A8 | |
| 9 | Horváth Emma Sára (2007)Szombathelyi SK SI | 30.63 101.953% | 03.59 | B4 | |
| 10 | Nagy Luca (2005)Soproni Széchy T. SI | 31.01 98.990% | 03.97 | B5 | |
| 11 | Kőhalmi Dorka (2008)Győri Úszó Sportegy. | 31.24 99.582% | 04.20 | B3 | |
| 12 | Portelli Michela (2007)Malta | 31.36 95.117% | 04.32 | B6 | |
| 13 | Vágó Peggi (2009)Győri Úszó Sportegy. | 31.40 99.904% | 04.36 | B2 | |
| 14 | Kammerer Kitti (2009)Győri Úszó Sportegy. | 31.42 97.051% | 04.38 | B7 | |
| 15 | Keresztes Cynthia (2007)A Jövő SC | 31.49 102.083% | 04.45 | B1 | |
| 16 | Tamás Rebeka (2011)Győri Úszó Sportegy. | 31.84 100.841% | 04.80 | B8 | |
| 17 | Szojár Irisz Madléna (2009)Győri Úszó Sportegy. | 32.12 97.511% | 05.08 | T1 | |
| 18 | Henye Nikolett (2008)Soproni Széchy T. SI | 33.40 100.566% | 06.36 | T2 | |
| 19 | Zámbó Anna Villő (2012)Győri Úszó Sportegy. | 33.57 - | 06.53 | ||
| 20 | Valko Karolina (2010)Slovakia | 33.66 93.582% | 06.62 | ||
| 21 | Szakács Jázmin (2009)Győri Úszó Sportegy. | 33.70 99.283% | 06.66 | ||
| 22 | Berkes Brigitta (2010)Győri Úszó Sportegy. | 34.27 97.518% | 07.23 | ||
| 23 | Varga Evelin (2004)Soproni Széchy T. SI | 35.39 99.574% | 08.35 | ||
| 24 | Hegyháti Gréta (2007)Bajai SSC | 35.62 101.466% | 08.58 | ||
| 24 | Koch Nóra (2010)Soproni Széchy T. SI | 35.62 101.302% | 08.58 | ||
| 26 | Katona Emili (2011)Soproni Széchy T. SI | 36.14 96.179% | 09.10 | ||
| 27 | Vincze Lujza (2009)Komáromi Úszóklub SE | 36.67 96.031% | 09.63 | ||
| 28 | Rudasits Luca (2008)Soproni Széchy T. SI | 41.55 96.306% | 14.51 | ||
| 29 | Hidy Teréz (2012)Soproni Széchy T. SI | 42.55 94.522% | 15.51 | ||
| 30 | Laczkó Lilien (2011)Soproni Széchy T. SI | 45.72 104.151% | 18.68 | ||
| 31 | Payrits Zorka (2012)Soproni Széchy T. SI | 46.35 100.387% | 19.31 | ||
| - | Bausz Liza (2012)Soproni Széchy T. SI | DNS - | |||
| - | Burián Katalin (1995)FTC | DNS - | |||
| - | Kalmár Laura (2002)Szombathelyi SK SI | DNS - | |||