| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Végh Tamás (2015)Debreceni Sportc. SI | 45.39 | - | 97 | |
| 2 | 3 | Czomba Patrik (2016)Debreceni Sportc. SI | 48.56 | 03.17 | 79 | |
| 3 | 2 | Bányai Máté (2015)Debreceni Aquasport | 51.72 | 06.33 | 66 | |
| 4 | 7 | Tamás Bence (2016)Debreceni Aquasport | 53.46 | 08.07 | 59 | |
| 5 | 5 | Radvánszki Detre (2016)NYSC | 53.60 | 08.21 | 59 | |
| 6 | 6 | Asztalos Bence (2015)Létavértes | 55.23R:0.75 | 09.84 | 54 |