| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Tóth Ármin (2014)Berettyó Cápák SE | 00:41.86R:0.58 | - | 124 | |
| 2 | 1 | Rózsa Patrik (2014)Crisul Oradea | 00:42.04 | 00:00.18 | 123 | |
| 3 | 7 | Tóth Máté (2016)Crisul Oradea | 00:44.15 | 00:02.29 | 106 | |
| 4 | 6 | Budinszki Zoárd (2015)Debreceni Sportc. SI | 00:48.03 | 00:06.17 | 82 | |
| 5 | 4 | Sápi Balázs (2015)KSK Delfin Klub | 00:53.45 | 00:11.59 | 59 | |
| 6 | 2 | Tóth István (2017)Crisul Oradea | 00:58.47 | 00:16.61 | 45 | |
| - | 5 | Farkas Mátyás (2015)NYSC | DNS |