| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Gorej Anna (2015)Római Sport Egyesüle | 00:48.69 | - | 167 | |
| 2 | 6 | Palov Zsófia (2017)MATE - GEAC | 00:50.29 | 00:01.60 | 152 | |
| 3 | 4 | Pozsár Tünde (2015)Római Sport Egyesüle | 00:52.50 | 00:03.81 | 133 | |
| 4 | 5 | Kaszap Jázmin (2016)Római Sport Egyesüle | 00:52.56 | 00:03.87 | 133 | |
| 5 | 7 | Tóth Dominika (2016)MATE - GEAC | 00:54.09 | 00:05.40 | 122 | |
| 6 | 0 | Luong Thao Nhi (2017)BVSC-Zugló | 00:54.49 | 00:05.80 | 119 | |
| 7 | 8 | Pálffy Liza (2017)BVSC-Zugló | 00:55.49 | 00:06.80 | 113 | |
| 8 | 2 | Veres Jázmin (2016)MATE - GEAC | 00:56.49 | 00:07.80 | 107 | |
| 9 | 1 | Szira Sára (2017)MATE - GEAC | 00:57.69 | 00:09.00 | 100 | |
| 10 | 9 | Pásztor Luca (2017)MATE - GEAC | 01:08.49 | 00:19.80 | 60 |