| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Boros Timót (2015)BVSC-Zugló | 00:39.41 R:0.68 | - | 213 | |
| 2 | 6 | Fehér Illés (2015)Gigászok SE | 00:40.66 R:0.68 | 00:01.25 | 194 | |
| 3 | 3 | Ferenczi Sándor (2015)BVSC-Zugló | 00:41.23 R:0.99 | 00:01.82 | 186 | |
| 4 | 0 | Kovács Ármin (2016)Miskolci Sportiskola | 00:41.49 R:0.64 | 00:02.08 | 182 | |
| 5 | 5 | Gere-Farkas Botond (2015)BVSC-Zugló | 00:41.74 R:0.68 | 00:02.33 | 179 | |
| 6 | 2 | Orbán Milán (2016)Debreceni Aquasport | 00:42.68 R:0.66 | 00:03.27 | 167 | |
| 7 | 8 | Borbély Zalán (2015)Clubul Sportiv Crisul | 00:42.82 R:0.67 | 00:03.41 | 166 | |
| 8 | 1 | Kónya Kristóf Noé (2015)BVSC-Zugló | 00:44.07 R:0.82 | 00:04.66 | 152 | |
| 9 | 7 | Todea Eric (2015)CSM Cluj | 00:44.47 R:0.71 | 00:05.06 | 148 | |
| 10 | 9 | Farcas Alexandru (2015)CSM Cluj | 00:49.58 R:0.8 | 00:10.17 | 107 |