| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Büki Norbert János (2016)BVSC-Zugló | 00:39.19R:0.79 | - | 183 | |
| 2 | 5 | Buzás-Főzy Zsombor (2016)BVSC-Zugló | 00:40.13R:0.58 | 00:00.94 | 170 | |
| 3 | 3 | Bóka Benett (2016) UNI Győri Úszó Sportegy. | 00:43.46 | 00:04.27 | 134 | |
| 4 | 1 | Grosz László (2016)BVSC-Zugló | 00:45.88 | 00:06.69 | 114 | |
| 5 | 7 | Lázár Vencel András (2016)BVSC-Zugló | 00:46.22R:0.71 | 00:07.03 | 111 | |
| 6 | 2 | Répássy Ákos (2016)BVSC-Zugló | 00:46.58 | 00:07.39 | 109 | |
| 7 | 6 | Calin Ádám (2016)BVSC-Zugló | 00:47.21R:0.85 | 00:08.02 | 104 | |
| 8 | 8 | Hlavács Dominik (2016)BVSC-Zugló | 00:49.22R:0.62 | 00:10.03 | 92 |