| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Paku Zalán (2016)NICS-HSÚVC | 49.64 | - | 106 | |
| 2 | 4 | Láhr Eliot (2015)NICS-HSÚVC | 50.00 | 00.36 | 104 | |
| 3 | 1 | Halász Márk Orion (2017)Hód Úszó SE | 51.41 | 01.77 | 96 | |
| 4 | 6 | Kovács Patrik (2015)KESI | 51.49 | 01.85 | 95 | |
| 5 | 5 | Futaki Márton (2012)Békéscsabai EUK | 51.53 | 01.89 | 95 | |
| 6 | 2 | Gránicz Kornél (2014)INVICTUS ÚszóViz.Kft | 53.41 | 03.77 | 85 | |
| 7 | 7 | Zsadányi Zsombor (2015)Algyő | 53.79 | 04.15 | 83 | |
| 8 | 9 | Sléger Zalán (2015)NICS-HSÚVC | 54.02 | 04.38 | 82 | |
| 9 | 0 | Török Levente (2016)NICS-HSÚVC | 54.79 | 05.15 | 79 | |
| 10 | 8 | Bozsér Áron Benedek (2016)NICS-HSÚVC | 57.52 | 07.88 | 68 |