| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 9 | Ongai Blanka (2009)Egri Úszó Klub SE | 00:32.19R:0.77 | - | 394 | |
| 2 | 1 | Somodóczki Zsófia (2013)NYSC | 00:36.08R:0.63 | 00:03.89 | 280 | |
| 3 | 0 | Vadnai Panna (2015)KSK Delfin Klub | 00:44.03 | 00:11.84 | 154 | |
| 4 | 2 | Nemes Olívia (2016)Debreceni Sportc. SI | 00:52.84 | 00:20.65 | 89 | |
| 5 | 3 | Soós Sára (2016)Egri Úszó Klub SE | 00:52.88 | 00:20.69 | 89 | |
| 6 | 4 | Radu Bianka (2014)Crisul Oradea | 00:53.01 | 00:20.82 | 88 | |
| 7 | 6 | Szabó-Lőrinczi Szofi (2017)Egri Úszó Klub SE | 00:53.58 | 00:21.39 | 85 | |
| 8 | 5 | Kelemen Luca (2017)Egri Úszó Klub SE | 00:55.39 | 00:23.20 | 77 | |
| 9 | 7 | Joó Ágnes (2017)Debreceni Sportc. SI | 01:07.04 | 00:34.85 | 43 | |
| - | 8 | Makó Liza Gréta (2015)Debreceni Sportc. SI | DNS |