| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Tóth Lilien (2015)Mohácsi Torna Egylet | 00:42.09 | - | 332 | |
| 2 | 5 | Kőszegi Dorina (2015)DKSE Dunaújváros | 00:44.98 | 00:02.89 | 272 | |
| 3 | 6 | Rák Evelin (2015)Balaton ÚK Veszprém | 00:46.99 | 00:04.90 | 238 | |
| 4 | 3 | Makó-Hóbár Zorka (2015)Keszthelyi Kiscápák | 00:47.44 | 00:05.35 | 232 | |
| 5 | 2 | Szőnyi Adél (2016)Komáromi Úszóklub SE | 00:47.87 | 00:05.78 | 226 | |
| 6 | 7 | Makkos Dorottya (2015)Balaton ÚK Veszprém | 00:48.91 | 00:06.82 | 211 | |
| 7 | 1 | Szántó Gréta Olívia (2016)Szombathelyi SK SI | 00:49.03 | 00:06.94 | 210 | |
| 8 | 9 | Göltl Korina Csenge (2015)Soproni Széchy T. SI | 00:49.08 | 00:06.99 | 209 | |
| 9 | 8 | Horváth Boglárka (2016)Keszthelyi Kiscápák | 00:50.47 | 00:08.38 | 192 | |
| 10 | 0 | Petánovics Petra (2017)Zalaco ZÚK | 00:51.17 | 00:09.08 | 185 |