| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Borbély Zalán (2015)Clubul Sportiv Crisul | 00:33.56 | - | 241 | |
| 2 | 6 | Boros Timót (2015)BVSC-Zugló | 00:34.67 | 00:01.11 | 219 | |
| 3 | 5 | Kónya Kristóf Noé (2015)BVSC-Zugló | 00:34.90 | 00:01.34 | 215 | |
| 4 | 2 | Kovács Ármin (2016)Miskolci Sportiskola | 00:35.78 | 00:02.22 | 199 | |
| 5 | 7 | Tisza Máté (2015)Szolnoki Sportcentrum | 00:36.36 | 00:02.80 | 190 | |
| 6 | 1 | Mehes Tudor Stefan (2015)Clubul Sportiv Crisul | 00:36.63 | 00:03.07 | 186 | |
| 7 | 9 | Büki Norbert János (2016)BVSC-Zugló | 00:37.22 | 00:03.66 | 177 | |
| 8 | 3 | Udila Teodor Bogdan (2015)Asociația Club Sportiv All 4 Sport Sibiu | 00:38.02R:0.84 | 00:04.46 | 166 | |
| 9 | 0 | Todea Eric (2015)CSM Cluj | 00:39.49 | 00:05.93 | 148 | |
| 10 | 8 | Munteanu Paul (2016)Asociația Club Sportiv All 4 Sport Sibiu | 00:41.28 | 00:07.72 | 129 |