| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Bojó Marcell (2011)Érdi Vízisport Kft | 00:44.24R:0.71 | - | 150 | |
| 2 | 4 | Csizmadia Ambrus Zoltán (2014)Tiszakécskei Vízisport Klub | 00:47.18R:0.75 | 00:02.94 | 124 | |
| 3 | 2 | Hörich Misa Sámuel (2016)Bohóchal | 00:47.19R:0.58 | 00:02.95 | 124 | |
| 4 | 0 | Barbély Levente (2015)Debreceni Sportc. SI | 00:47.62R:0.69 | 00:03.38 | 120 | |
| 5 | 3 | Varga Márton Patrik (2016)Budapesti Honvéd SE | 00:47.98R:0.94 | 00:03.74 | 118 | |
| 6 | 1 | Táska Olivér (2016)Ferencvárosi Torna Club | 00:48.80R:0.97 | 00:04.56 | 112 | |
| 7 | 7 | Kardos Benedek Vid (2016)II. Kerületi Sport | 00:48.83R:0.66 | 00:04.59 | 112 | |
| 8 | 9 | Győrffy Kende (2015)II. Kerületi Sport | 00:50.05R:0.69 | 00:05.81 | 104 | |
| 9 | 6 | Zsidai Dániel (2016)Ferencvárosi Torna Club | 00:50.24R:0.77 | 00:06.00 | 102 | |
| 10 | 8 | Pálinkás Szabolcs (2015)Tiszakécskei Vízisport Klub | 00:51.18R:0.56 | 00:06.94 | 97 |