| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Kozma Csanád (2009)NYSC | 35.06R:0.65 | - | 303 | |
| 2 | 8 | Dobos Botond (2013)Miskolci Sportiskola | 49.60R:0.7 | 14.54 | 107 | |
| 3 | 4 | Filip Rares (2012)CS SEINI | 50.90R:0.73 | 15.84 | 99 | |
| 4 | 6 | Gránicz Kornél (2014)INVICTUS ÚszóViz.Kft | 50.97R:0.79 | 15.91 | 98 | |
| 5 | 5 | Radvánszki Detre (2016)NYSC | 51.77R:0.6 | 16.71 | 94 | |
| 6 | 3 | Kakuk Áron (2015)Egri Úszó Klub SE | 52.17R:0.81 | 17.11 | 91 | |
| 7 | 2 | Kálya Áron (2015)NYSC | 56.26R:0.73 | 21.20 | 73 | |
| 8 | 7 | Popan Tudor (2018)CS SEINI | 01:00.33R:0.88 | 25.27 | 59 | |
| - | 0 | Asztalos Bence (2015)Létavértes | DNS |