| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Duman Özgür Atlas (2014)Iron Swim SE | 00:33.90R:0.71 | - | 248 | |
| 2 | 5 | Homoki Arnold (2014)Újpesti Torna Egylet | 00:34.05R:0.64 | 00:00.15 | 245 | |
| 3 | 3 | Zsidai Dániel (2016)Ferencvárosi Torna Club | 00:40.20R:0.81 | 00:06.30 | 149 | |
| 4 | 8 | Ekler Bálint Bogdán (2015)Darnyi Tamás SC | 00:42.36R:0.51 | 00:08.46 | 127 | |
| 5 | 7 | Szentpéteri Botond (2015)VS Dunakeszi | 00:42.92R:0.93 | 00:09.02 | 122 | |
| 6 | 2 | Bereczki Zalán András (2017)Veszprémi Úszó Klub | 00:49.67R:0.65 | 00:15.77 | 79 | |
| 7 | 1 | Gergely Levente (2016)Veszprémi Úszó Klub | 00:49.68R:0.67 | 00:15.78 | 79 | |
| 8 | 0 | Bárdos Bendegúz Mihály (2017)Darnyi Tamás SC | 01:06.79R:0.67 | 00:32.89 | 32 | |
| - | 6 | Tömöri Csobánc (2017)Bohóchal | DSQ |