| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Posza Dorina (2005)Kaposvári Adorján | 00:33.14R:0.77 | - | 400 | |
| 2 | 3 | Sóos Fanni (2014)Szekszárdi Sportközp | 00:52.79R:0.67 | 00:19.65 | 99 | |
| 3 | 1 | Wittmann Zsófi (2015)DSI | 00:53.70 | 00:20.56 | 94 | |
| 4 | 6 | Gazda Lia (2015)DSI | 00:54.30R:0.7 | 00:21.16 | 91 | |
| 5 | 8 | Jakab Babett (2015)DSI | 01:01.81R:0.56 | 00:28.67 | 61 | |
| 6 | 2 | Gegő Fanni (2016)DSI | 01:01.92 | 00:28.78 | 61 | |
| 7 | 5 | Nagy Réka Jázmin (2016)NUTE | 01:06.19R:0.68 | 00:33.05 | 50 | |
| - | 7 | Bujáki Szofi (2015)DSI | DSQ |