| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Komoróczy Lora Fanni (2006)Iron Swim SE | 27.34 99.077% | - | A4 | |
| 2 | Ugrai Panna (2004)HÓD Úszó SE | 28.02 99.642% | 00.68 | A5 | |
| 3 | Szilágyi Gerda (2003)Stamina TKSA | 28.08 100.213% | 00.74 | A3 | |
| 4 | Pózvai Kiara Viktória (2002)Győri Úszó Sportegy. | 28.23 104.467% | 00.89 | A6 | |
| 5 | Molnár Dóra (2006)Budafóka XXII. SE | 28.92 98.562% | 01.58 | A2 | |
| 6 | Ilyés Laura Vanda (2001)BVSC-Zugló | 29.01 96.319% | 01.67 | A7 | |
| 7 | Szabó-Feltóthy Eszter (2002)Vasas Sport Club | 29.02 98.140% | 01.68 | A1 | |
| 8 | Dapsy Hanna Lujza (2006)A Jövő SC | 29.17 102.081% | 01.83 | A8 | |
| 9 | Berta Barbara (2001)Városi Sportegyesület Dunakeszi | 29.42 101.802% | 02.08 | B4 | |
| 10 | Szabó Dóra Izabella (2008)Kőbánya Sport Club | 29.54 97.608% | 02.20 | B5 | |
| 11 | Vécsei Réka (2002)Swimming Pentathlon Club Egyesület | 29.62 100.101% | 02.28 | B3 | |
| 12 | Kokas Fanni Viktória (2009)A Jövő SC | 29.74 102.492% | 02.40 | B6 | |
| 13 | Onofer Enikő (2002)Stamina TKSA | 29.85 101.061% | 02.51 | B2 | |
| 14 | Bukovics Bianka (2005)Budapesti Honvéd | 30.07 101.313% | 02.73 | B7 | |
| 15 | Nádor Zsófia (2007)Iron Swim SE | 30.12 101.793% | 02.78 | B1 | |
| 16 | Király Hanna Gréta (2010)Kőbánya Sport Club | 30.17 100.033% | 02.83 | B8 | |
| 17 | Bakó Réka (2004)Győri Úszó Sportegy. | 30.42 103.673% | 03.08 | T1 | |
| 18 | Márta Johanna (2009)BVSC-Zugló | 30.44 100.197% | 03.10 | T2 | |
| 19 | Király Anna (2006)Stamina TKSA | 30.48 102.370% | 03.14 | ||
| 20 | Szeghalmi Nadin (2005)Iron Swim SE | 30.74 104.712% | 03.40 | ||
| 21 | Gonda Zita (2008)Mezőtúri ÚVSE | 30.83 99.577% | 03.49 | ||
| 22 | Haldeman Lili Lenke (2007)Iron Swim SE | 30.85 103.018% | 03.51 | ||
| 23 | Scheffer Eszter Mercédes (2007)Zalaco Zalaegerszegi Úszó Klub SE | 31.02 99.839% | 03.68 | ||
| 24 | Hais Fruzsina (2006)Iron Swim SE | 31.09 103.984% | 03.75 | ||
| 25 | Murua Melissa (1997)MÚSZ | 31.14 97.363% | 03.80 | ||
| 26 | Nett Vivien (2006)Zalaco Zalaegerszegi Úszó Klub SE | 31.23 103.789% | 03.89 | ||
| 27 | Balázs Éva (2010)Debreceni Aquasport | 31.32 103.690% | 03.98 | ||
| 28 | Urbán Luca (2007)Iron Swim SE | 31.40 98.184% | 04.06 | ||
| 29 | Nahalka Regina (2006)BVSC-Zugló | 31.49 100.725% | 04.15 | ||
| 30 | Rácz-Érsek Lili (2006)Városi Sportegyesület Dunakeszi | 31.58 103.484% | 04.24 | ||
| 31 | Király Nelli (2007)BVSC-Zugló | 31.72 98.301% | 04.38 | ||
| 32 | Tombor Panna (2011)Iron Swim SE | 31.75 104.997% | 04.41 | ||
| 33 | Zsunics Boglárka (2006)BVSC-Zugló | 31.77 99.716% | 04.43 | ||
| 34 | Molnár Fruzsina (2007)Nyíregyházi Sportcentrum | 31.93 104.516% | 04.59 | ||
| 35 | Sárossy Nikoletta (2007)Lőrinc Swim Team | 32.40 101.550% | 05.06 | ||
| 36 | Arrúa Josefina (2005)MÚSZ | 32.75 99.878% | 05.41 | ||
| 37 | Fogarasi Janka (2008)Miskolci Sportiskola | 32.97 98.647% | 05.63 | ||
| 38 | Rékasi Zsuzsanna (2009)Bálinti Úszó Egyes. | 32.98 94.295% | 05.64 | ||
| 39 | Ahmed Hamna (2003)MÚSZ | 34.69 99.478% | 07.35 | ||
| 40 | Chang'anamuno Tayamika (2000)MÚSZ | 36.42 103.138% | 09.08 | ||
| 41 | Pinto Ammara (1997)MÚSZ | 37.85 86.302% | 10.51 | ||