| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Grolyó Bence (2016)MATE - GEAC | 00:37.03 | - | 180 | |
| 2 | 2 | Répássy Ákos (2016)BVSC-Zugló | 00:38.69 | 00:01.66 | 157 | |
| 3 | 7 | Conti Noah (2016)MATE - GEAC | 00:38.90 | 00:01.87 | 155 | |
| 4 | 3 | Rendi Bence (2017) UNI Győri Úszó Sportegy. | 00:39.07 | 00:02.04 | 153 | |
| 5 | 5 | Buzás-Főzy Zsombor (2016)BVSC-Zugló | 00:39.25 | 00:02.22 | 151 | |
| 6 | 1 | Kirschner Márton (2017)BVSC-Zugló | 00:39.69 | 00:02.66 | 146 | |
| 7 | 0 | Pereházy Márk (2017)Vác ASC | 00:39.98 | 00:02.95 | 143 | |
| 8 | 8 | Lázár Vencel András (2016)BVSC-Zugló | 00:41.26 | 00:04.23 | 130 | |
| 9 | 9 | Turcsányi Levente (2017)MATE - GEAC | 00:41.82 | 00:04.79 | 125 | |
| - | 4 | Ványa Domonkos (2016)MATE - GEAC | DNS |