| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Tóth Evelin Krisztina (2014)Bálinti Úszó Egyes. | 00:47.03R:0.68 | - | 186 | |
| 2 | 3 | Kőnig Kármen Kendra (2017)FTC | 00:48.93R:0.66 | 00:01.90 | 165 | |
| 3 | 2 | Mester Janka Veronika (2018)Budapesti Honvéd SE | 00:50.05R:0.72 | 00:03.02 | 154 | |
| 4 | 6 | Mihalkov Anna Sára (2016)Bohóchal | 00:50.79R:0.34 | 00:03.76 | 147 | |
| 5 | 7 | Tóth Karina Mária (2015)Bálinti Úszó Egyes. | 00:52.86R:0.71 | 00:05.83 | 131 | |
| 6 | 5 | Péter Natasa Zorka (2018)FTC | 00:53.17R:0.63 | 00:06.14 | 128 | |
| 7 | 4 | Korsós Anabella Róza (2017)FTC | 00:55.17R:0.65 | 00:08.14 | 115 | |
| 8 | 8 | Tiborcz Alíz (2016)Bohóchal | 00:55.42R:0.84 | 00:08.39 | 113 |