| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Nagy Marcell Péter (2014)Miskolci Sportiskola | 43.63 | - | 157 | |
| 2 | 0 | Dér Márton Tamás (2014)INVICTUS ÚszóViz.Kft | 44.62R:0.78 | 00.99 | 147 | |
| 3 | 4 | Gyöngyösi Zalán (2012)Miskolci Sportiskola | 46.04R:0.93 | 02.41 | 133 | |
| 4 | 1 | Kovács Krisztián Lajos (2016)Mezőtúri ÚVSE | 46.21R:0.71 | 02.58 | 132 | |
| 5 | 5 | Birle Rares (2013)CS SEINI | 46.22R:0.67 | 02.59 | 132 | |
| 6 | 9 | Nagy Erik (2016)CS SEINI | 46.54R:0.65 | 02.91 | 129 | |
| 7 | 3 | Kovács Hunor (2013)Debreceni Aquasport | 46.55R:0.76 | 02.92 | 129 | |
| 8 | 7 | Borbély Zalán (2015)Crisul Oradea | 46.70R:0.72 | 03.07 | 128 | |
| 9 | 6 | Hegedűs Ákos (2012)Debreceni Sportc. SI | 46.73R:0.69 | 03.10 | 127 | |
| 10 | 8 | Sarca Ioan (2010)CS SEINI | 51.70R:0.89 | 08.07 | 94 |