| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Rendi Bence (2017) UNI Győri Úszó Sportegy. | 00:43.77 | - | 155 | |
| 2 | 4 | Calin Ádám (2016)BVSC-Zugló | 00:44.84 | 00:01.07 | 144 | |
| 3 | 0 | Sarkady Ákos (2018)MATE - GEAC | 00:46.66 | 00:02.89 | 128 | |
| 4 | 2 | Lázár Vencel András (2016)BVSC-Zugló | 00:47.23 | 00:03.46 | 123 | |
| 5 | 6 | Kirschner Márton (2017)BVSC-Zugló | 00:47.53 | 00:03.76 | 121 | |
| 6 | 7 | Répássy Ákos (2016)BVSC-Zugló | 00:48.19 | 00:04.42 | 116 | |
| 7 | 1 | Grosz László (2016)BVSC-Zugló | 00:48.20 | 00:04.43 | 116 | |
| 8 | 8 | Ráfel Benjámin (2016)MATE - GEAC | 00:48.27 | 00:04.50 | 116 | |
| - | 9 | Hlavács Dominik (2016)BVSC-Zugló | 00.00 | |||
| - | 5 | Ványa Domonkos (2016)MATE - GEAC | DNS |