| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Kovács Krisztián Lajos (2016)Mezőtúri ÚVSE | 51.11 | - | 130 | |
| 2 | 1 | Gránicz Kornél (2014)INVICTUS ÚszóViz.Kft | 52.30 | 01.19 | 122 | |
| 3 | 4 | Trencsényi Zsombor (2015)Létavértes | 52.67 | 01.56 | 119 | |
| 4 | 6 | Nagy Erik (2016)CS SEINI | 54.07 | 02.96 | 110 | |
| 5 | 7 | Tóth Balázs (2013)Ibrányi Úszó Sporteg | 54.20 | 03.09 | 109 | |
| 6 | 8 | Kéninger Zente (2013)NYSC | 56.97 | 05.86 | 94 | |
| 7 | 3 | Nicoreac Rares (2013)CS SEINI | 01:01.59 | 10.48 | 74 | |
| 8 | 2 | Kassai Sasha (2014)CS SEINI | 01:05.42R:0.63 | 14.31 | 62 | |
| - | 9 | Asztalos Bence (2015)Létavértes | DNS | |||
| - | 0 | Radvánszki Detre (2016)NYSC | DSQ |