| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Gabor Ayan (2012)Crisul Oradea | 45.09R:0.65 | - | 142 | |
| 2 | 8 | Papp Marcell (2013)NYSC | 46.77R:0.69 | 01.68 | 127 | |
| 3 | 5 | Vojtó Vince (2014)NYSC | 48.88R:0.66 | 03.79 | 111 | |
| 4 | 3 | Béres Dominik (2013)NYSC | 49.26R:0.71 | 04.17 | 109 | |
| 5 | 1 | Végh Tamás (2015)Debreceni Sportc. SI | 51.54R:0.94 | 06.45 | 95 | |
| 6 | 2 | Morar David (2012)CS SEINI | 51.70R:0.68 | 06.61 | 94 | |
| 7 | 6 | Nicoreac Rares (2013)CS SEINI | 52.85R:0.65 | 07.76 | 88 | |
| 8 | 0 | Lente Marcell Attila (2014)Miskolci Sportiskola | 52.90R:0.79 | 07.81 | 88 | |
| 9 | 9 | Trencsényi Zsombor (2015)Létavértes | 53.71R:0.75 | 08.62 | 84 | |
| 10 | 7 | Kassai Sasha (2014)CS SEINI | 59.11R:0.82 | 14.02 | 63 |