| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Senánszky Petra (1994)Debreceni Sportc. SI | 25.39R:0.71 | - | ||
| 2 | 3 | Molnár Flóra (1998)Debreceni Sportc. SI | 25.66R:0.66 | 00.27 | ||
| 3 | 5 | Varga Dominika (2001)Iron Swim SE | 26.59R:0.64 | 01.20 | ||
| 4 | 6 | Perza Berta (2010)Békéscsabai EUK | 27.51R:0.64 | 02.12 | ||
| 5 | 2 | Szabó Lilla (2009)Egri Úszó Klub SE | 27.63R:0.75 | 02.24 | ||
| 6 | 8 | Nagy-Benedek Izabell (2010)Békéscsabai EUK | 27.95R:0.52 | 02.56 | ||
| 7 | 1 | Kocsány Alexandra Hanna (2010)Debreceni Sportc. SI | 28.28R:0.64 | 02.89 | ||
| 8 | 0 | Balogh Viktória Enikő (2010)Debreceni Sportc. SI | 28.49R:0.61 | 03.10 | ||
| 9 | 7 | Várkonyi Lili (2008)Parafa Úszó Klub | 28.64R:0.79 | 03.25 | ||
| 10 | 9 | Hrincescu Isabella Antonia (2011)Club Sportiv Seini | 29.41R:0.54 | 04.02 |