| (F 2017 +) | |||||
| RK | Name | H/L | Time | Gap | Q |
|---|---|---|---|---|---|
| 1 | Tordai Dániel (2017)Kőbánya Sport Club | 00:49.66 96.087% | - | ||
| 2 | Prekup Zalán Teodor (2017)Váci Vízmű SE | 00:51.77 101.484% | 00:02.11 | ||
| 3 | Bereczki Zalán András (2017)Veszprémi Úszó Klub | 00:54.56 103.382% | 00:04.90 | ||
| 4 | Pereházy Márk (2017)Váci Vízmű SE | 00:55.36 97.005% | 00:05.70 | ||
| 5 | László Máté (2018)Ferencvárosi Torna Club | 00:57.59 - | 00:07.93 | ||
| 6 | Tanczikó Benedek (2017)Kőbánya Sport Club | 00:57.76 109.197% | 00:08.10 | ||
| 7 | Kozma Dávid (2018)Bohóchal Egyesület | 00:58.37 101.285% | 00:08.71 | ||
| 8 | Csongrádi Borisz (2017)Ferencvárosi Torna Club | 00:58.60 105.163% | 00:08.94 | ||
| 9 | Zafir Zétény (2018)Kőbánya Sport Club | 01:14.88 - | 00:25.22 | ||