| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Nagy András Levente (2016)Magnetic SE | 01:41.09 | - | 178 | |
| 2 | 5 | Tokai Péter (2016)Debreceni Sportc. SI | 01:43.98 | 00:02.89 | 163 | |
50m00:50.21 R:0.64 100m01:43.9800:53.77 -
| ||||||
| 3 | 6 | Laczikó Gellért (2016)Debreceni Sportc. SI | 01:45.31 | 00:04.22 | 157 | |
50m00:51.44 R:0.73 100m01:45.3100:53.87 -
| ||||||
| 4 | 2 | Mezei Zsombor (2017)Debreceni Sportc. SI | 01:52.03 | 00:10.94 | 130 | |
| 5 | 1 | Berecz András (2016)Aquazone SE | 01:53.65 | 00:12.56 | 125 | |
50m00:53.69 R:0.63 100m01:53.6500:59.96 -
| ||||||
| 6 | 8 | Boros Bertold (2017)Debreceni Sportc. SI | 01:53.83 | 00:12.74 | 124 | |
| 7 | 7 | Schwarcz Ádám (2017)Debreceni Sportc. SI | 01:53.85 | 00:12.76 | 124 | |
50m00:54.88 R:0.45 100m01:53.8500:58.97 -
| ||||||
| 8 | 9 | Viszoki Abel (2017)Debreceni Sportc. SI | 01:58.61 | 00:17.52 | 110 | |
| - | 0 | Barna Dominik (2016)Miskolci Sportiskola | DNS | |||
| - | 3 | Márkus Zsombor (2016)Miskolci Sportiskola | DNS | |||