| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Schumann Boglárka (2015)Kaposvári Adorján | 00:43.90R:0.77 | - | 229 | |
| 2 | 4 | Petánovics Petra (2017)Zalaco ZÚK | 00:46.64R:0.78 | 00:02.74 | 191 | |
| 3 | 7 | Jakab Natasa (2017)DSI | 00:46.75R:0.62 | 00:02.85 | 189 | |
| 4 | 2 | Tóth Liza (2016)Ebihal Úszó Klub | 00:46.82R:0.75 | 00:02.92 | 188 | |
| 5 | 3 | Veres Róza (2017)Hullám 91 | 00:47.46R:0.66 | 00:03.56 | 181 | |
| 6 | 6 | Nagy Réka Jázmin (2016)NUTE | 00:47.47R:0.77 | 00:03.57 | 181 | |
| 7 | 0 | André Hanna (2017)Vitál Sport | 00:48.79R:0.65 | 00:04.89 | 166 | |
| 8 | 9 | Csóka Léna (2015)PVM SK | 00:52.62R:0.79 | 00:08.72 | 133 | |
| 9 | 8 | Kovács Adél (2017)Hullám 91 | 00:54.13R:0.81 | 00:10.23 | 122 | |
| - | 1 | Reining Sára Emese (2016)Délzalai Úszó SE | DNS |