| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Kósa Zalán (2014)Four Diamonds SE | 43.46R:0.85 | - | 159 | |
| 2 | 1 | Kis Adrián (2014)Szentes(r) | 46.84R:0.73 | 03.38 | 127 | |
| 3 | 4 | Popescu Armand (2013)STM Temesvár | 49.21R:0.82 | 05.75 | 109 | |
| 4 | 8 | Kovács Zétény (2014)Hód Úszó SE | 49.85R:0.7 | 06.39 | 105 | |
| 5 | 7 | Kovács Péter (2015)Békéscsabai EUK | 50.24R:0.61 | 06.78 | 102 | |
| 6 | 0 | Istella Ákos (2016)Kalocsai Úszó és Vízilabda Egyesület | 50.46R:0.61 | 07.00 | 101 | |
| 7 | 2 | Paku Zalán (2016)NICS-HSÚVC | 50.93R:0.82 | 07.47 | 98 | |
| 8 | 3 | Stanciu Luca (2016)Murry San Arad SC | 51.15R:0.71 | 07.69 | 97 | |
| 9 | 9 | Bikádi Gergő (2015)Four Diamonds SE | 54.49R:0.8 | 11.03 | 80 | |
| - | 6 | Rus Tudor (2015)Murry San Arad SC | DNS |