| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Rotár Oscar (2013)BVSC-Zugló | 45.31 | - | 187 | |
| 2 | 4 | Dudás Vilmos (2013)Érdi Vízisport Kft | 45.63 | 00.32 | 183 | |
| 3 | 5 | Hegede Balázs Soma (2012)Iron Swim SE | 47.64 | 02.33 | 161 | |
| 4 | 6 | Kovács Boldizsár (2014)FTC | 48.10 | 02.79 | 157 | |
| 5 | 1 | Vasas Olivér (2011)KÚKSE | 48.25 | 02.94 | 155 | |
| 6 | 7 | Santha Dávid Krisztián (2011)Szhalombattai VUK SE | 48.46 | 03.15 | 153 | |
| 7 | 8 | Mata Nimród (2011)BVSC-Zugló | 49.29 | 03.98 | 145 | |
| - | 2 | Török Ádám (2013)Iron Swim SE | VL |