| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Borbély Zalán (2015)Clubul Sportiv Crisul | 00:41.77 | - | 151 | |
| 2 | 0 | Munteanu Paul (2016)Asociația Club Sportiv All 4 Sport Sibiu | 00:42.16 | 00:00.39 | 147 | |
| 3 | 5 | Fehér Illés (2015)Gigászok SE | 00:42.36 | 00:00.59 | 145 | |
| 4 | 3 | Kovács Ármin (2016)Miskolci Sportiskola | 00:42.45 | 00:00.68 | 144 | |
| 5 | 7 | Boni Tamás (2015)ISK Marosvásárhely | 00:44.13 | 00:02.36 | 128 | |
| 6 | 8 | Farkas Regő (2015)NICS-HSÚVC | 00:46.71 | 00:04.94 | 108 | |
| 7 | 2 | Udila Teodor Bogdan (2015)Asociația Club Sportiv All 4 Sport Sibiu | 00:46.81R:0.76 | 00:05.04 | 107 | |
| 8 | 9 | Popa David (2016)Clubul Sportiv Crisul | 00:49.06 | 00:07.29 | 93 | |
| 9 | 1 | Lupse Alex (2015)Clubul Sportiv Crisul | 00:49.44 | 00:07.67 | 91 | |
| 10 | 6 | Mehes Tudor Stefan (2015)Clubul Sportiv Crisul | 00:50.01 | 00:08.24 | 88 |