| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Nagy Sára (2015)Szekszárdi Sportközp | 00:47.48 R:0.8 | - | 112 | |
| 2 | 3 | Gegő Fanni (2016)DSI | 00:47.92 | 00:00.44 | 109 | |
| 3 | 4 | Hegedüs Zoé Mercédesz (2015)Kaposvári Adorján | 00:52.75 R:0.98 | 00:05.27 | 82 | |
| 4 | 6 | Kuckó Evelin (2016)NUTE | 00:56.18 | 00:08.70 | 67 |