| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Száz Péter Örs (2016)Ybl Waterpolo Club | 00:47.96 | - | 158 | |
| 2 | 6 | Prekup Zalán Teodor (2017)Váci Vízmű SE | 00:48.83 | 00:00.87 | 150 | |
| 3 | 1 | Csányi Mór Imre (2015)BVSC-Zugló | 00:50.11 | 00:02.15 | 138 | |
| 4 | 7 | Katona Zétény (2016)Ferencvárosi Torna Club | 00:50.26 | 00:02.30 | 137 | |
| 5 | 3 | Varga Márton Patrik (2016)Budapesti Honvéd SE | 00:50.75 | 00:02.79 | 133 | |
| 6 | 4 | Szántó Zalán (2014)Tempo-Aqua Se | 00:51.71 | 00:03.75 | 126 | |
| 7 | 5 | Kovács Patrik (2015)Kecskeméti Sportiskola | 00:52.10 | 00:04.14 | 123 | |
| 8 | 8 | Láng Tibor András (2015)Ferencvárosi Torna Club | 00:52.72 | 00:04.76 | 119 |