| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Komoróczy Lora Fanni (2006)Iron Swim SE | 00:27.11 99.107% | - | A4 | |
| 2 | Eggi Vlada (2007)Russian Federation | 00:27.61 97.930% | 00:00.50 | A5 | |
| 3 | Drommer Lili Eszter (2006)Budaörsi Sport Club | 00:27.92 98.139% | 00:00.81 | A3 | |
| 4 | Fokina Serafima (2008)Russian Federation | 00:27.96 97.545% | 00:00.85 | A6 | |
| 5 | Rékasi Zsuzsanna (2009)Bálinti Úszó Egyes. | 00:28.36 101.835% | 00:01.25 | A2 | |
| 6 | Szabó Kincső Hanna (2010)BVSC-Zugló | 00:28.41 99.076% | 00:01.30 | A7 | |
| 7 | Zsebők Laura (2006)Vasas Sport Club | 00:28.47 98.791% | 00:01.36 | A1 | |
| 8 | Poleshchuk Mariia (2007)Russian Federation | 00:28.57 96.971% | 00:01.46 | VL | |
| 9 | Lakó Dorina (2009)UNI Győri Úszó Sportegy. | 00:28.61 97.418% | 00:01.50 | A8 | |
| 10 | Kömöz Eszter (2011)Budafóka XXII. SE | 00:28.81 100.415% | 00:01.70 | B4 | |
| 11 | Tóth Luca (2007)Keszthelyi Kiscápák | 00:28.97 98.315% | 00:01.86 | B5 | |
| 12 | Orbán Boróka (2008)Ferencvárosi Torna Club | 00:29.02 100.820% | 00:01.91 | B3 | |
| 13 | Veress Hanna (2007)Kőbánya Sport Club | 00:29.09 98.853% | 00:01.98 | B6 | |
| 14 | Bernát Hanna (2008)Szegedi Úszó Egylet | 00:29.11 99.204% | 00:02.00 | B2 | |
| 15 | Miszlai Mira (2008)Kőbánya Sport Club | 00:29.18 97.145% | 00:02.07 | B7 | |
| 16 | Dapsy Hanna Lujza (2006)A Jövő SC | 00:29.30 98.861% | 00:02.19 | VL | |
| 17 | Nádor Zsófia (2007)Iron Swim SE | 00:29.37 99.898% | 00:02.26 | B1 | |
| 18 | Zámbó Virág Angyal (2008)UNI Győri Úszó Sportegy. | 00:29.57 95.844% | 00:02.46 | B8 | |
| 19 | Polácsik Petra (2006)Miskolci Sportiskola | 00:29.90 98.850% | 00:02.79 | T1 | |
| 20 | Cseresznyés Petra (2007)Gyulai Várfürdő Kft. | 00:29.93 96.543% | 00:02.82 | T2 | |
| 21 | Sztruhár Gréta (2007)MATE - Gödöllői Egyetemi Atlétikai Club | 00:30.10 99.800% | 00:02.99 | ||
| 22 | Bencsics Angéla (2010)Budafóka XXII. SE | 00:30.22 99.166% | 00:03.11 | ||
| 23 | Dingfelder Eszter (2007)Budapesti Honvéd SE | 00:30.32 99.702% | 00:03.21 | ||
| 24 | Rácz-Érsek Lili (2006)Városi Sportegyesület Dunakeszi | 00:30.41 99.670% | 00:03.30 | ||
| 25 | Henter Nóra (2007)Újpesti Torna Egylet | 00:30.48 100.262% | 00:03.37 | ||
| 25 | Urbán Luca (2007)Iron Swim SE | 00:30.48 98.230% | 00:03.37 | ||
| 27 | Detrich Luca (2008)Kaposvári Sportközpont és Sportiskola | 00:30.68 102.479% | 00:03.57 | ||
| 28 | Balázs Éva (2010)Debreceni Aquasport | 00:30.71 99.311% | 00:03.60 | ||
| 29 | Scheffer Eszter Mercédes (2007)Zalaco Zalaegerszegi Úszó Klub SE | 00:30.77 100.162% | 00:03.66 | ||
| 30 | Haldeman Lili Lenke (2007)Iron Swim SE | 00:30.78 98.449% | 00:03.67 | ||
| 31 | Báder Karina (2009)Budafóka XXII. SE | 00:30.80 97.402% | 00:03.69 | ||
| 32 | Rácz Anna Lilla (2007)Debreceni Sportc. SI | 00:30.83 101.564% | 00:03.72 | ||
| 33 | Füredi Natália (2007)Mohácsi Torna Egylet | 00:31.01 100.353% | 00:03.90 | ||
| 34 | Horváth Zsófi Bíborka (2009)Nyiregyházi Sportc.Nonprofit.Kft. | 00:31.06 103.089% | 00:03.95 | ||
| 35 | Szabó Nóra (2008)Bajai Spartacus Sport Club | 00:31.12 100.955% | 00:04.01 | ||
| 36 | Horváth Hanna Kata (2007)Sárvári Gyógyfürdő | 00:31.24 99.356% | 00:04.13 | ||
| 37 | Gura Kateryna (2010)UNI Győri Úszó Sportegy. | 00:31.25 102.527% | 00:04.14 | ||
| 38 | Molnár Kiara (2009)Budapesti Honvéd SE | 00:31.28 100.446% | 00:04.17 | ||
| 39 | Zudor Nóra (2008)Létavértes | 00:31.38 98.643% | 00:04.27 | ||
| 40 | Antal Mirjam (2007)KKH ÚGYE | 00:31.48 100.317% | 00:04.37 | ||
| 40 | Tamás Izabella (2006)Budapesti Honvéd SE | 00:31.48 99.328% | 00:04.37 | ||
| 42 | Bánhegyi Brigitta (2007)Miskolci Sportiskola | 00:31.52 98.812% | 00:04.41 | ||
| 43 | Richweisz Lara (2011)Paphos Nautical Club | 00:31.56 98.259% | 00:04.45 | ||
| 44 | Ondi Natasa (2007)MATE - Gödöllői Egyetemi Atlétikai Club | 00:31.60 100.785% | 00:04.49 | ||
| 45 | Bagaméri Panna (2007)Budapesti Honvéd SE | 00:31.82 101.211% | 00:04.71 | ||
| 46 | Halasi Lili (2007)Miskolci Sportiskola | 00:32.50 95.900% | 00:05.39 | ||
| - | Rékasi Eszter (2007)Bálinti Úszó Egyes. | DNS - | |||
| - | Tóth Regina Kata (2008)Érdi Vízisport Kft | DNS - | |||