| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 0 | Raharvel Harivony Jonathan (2002)Stipendium Hungaricum | 00:27.78R:0.68 | - | 515 | |
| 2 | 6 | Szalay Toshimi (2006)Iron Swim SE | 00:31.97R:0.63 | 00:04.19 | 338 | |
| 3 | 8 | Láng Tibor András (2015)Ferencvárosi Torna Club | 00:42.88 | 00:15.10 | 140 | |
| 4 | 7 | Sváner János (2015)Ferencvárosi Torna Club | 00:43.18R:0.77 | 00:15.40 | 137 | |
| 5 | 1 | Juhász-Hudy Marcell (2015)Ferencvárosi Torna Club | 00:46.35R:0.85 | 00:18.57 | 110 | |
| 6 | 4 | BUCIUMAN FILIP MIHAI (2014)Clubul Sportiv Crisul | 00:46.40R:0.55 | 00:18.62 | 110 | |
| 7 | 3 | Trávnyik Pál Donát (2015)Váci Vízmű SE | 00:46.81R:0.75 | 00:19.03 | 107 | |
| 8 | 5 | POPA DAVID (2016)Clubul Sportiv Crisul | 00:48.46R:0.57 | 00:20.68 | 97 | |
| 9 | 2 | Sátori Marcell (2013)Jövő Magyar Sportolói SE | 00:51.51R:0.97 | 00:23.73 | 80 |