| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kőnig Konor Kende (2016)FTC | 00:33.96 | - | ||
| 2 | 5 | Buzás-Főzy Zsombor (2016)BVSC-Zugló | 00:42.31 | 00:08.35 | ||
| 3 | 3 | Büki Norbert János (2016)BVSC-Zugló | 00:42.66 | 00:08.70 | ||
| 4 | 6 | Kirschner Márton (2017)BVSC-Zugló | 00:45.07 | 00:11.11 | ||
| 5 | 8 | Répássy Ákos (2016)BVSC-Zugló | 00:46.25 | 00:12.29 | ||
| 6 | 2 | Lázár Vencel András (2016)BVSC-Zugló | 00:48.58 | 00:14.62 | ||
| 7 | 7 | Grosz László (2016)BVSC-Zugló | 00:50.74 | 00:16.78 | ||
| 8 | 0 | Kókai André (2017)BVSC-Zugló | 00:52.43 | 00:18.47 | ||
| 9 | 1 | Hlavács Dominik (2016)BVSC-Zugló | 00:53.77 | 00:19.81 |