| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 7 | Mitasz Bence (2015)BSE Palóc Farkasok | 00:43.71 | - | 132 | |
| 2 | 2 | Conti Noah (2016)MATE - GEAC | 00:43.84 | 00:00.13 | 131 | |
| 3 | 5 | Barcánfalvi Péter (2015)Római Sport Egyesület | 00:47.14 | 00:03.43 | 105 | |
| 4 | 3 | Ráfel Benjámin (2016)MATE - GEAC | 00:50.96 | 00:07.25 | 83 | |
| 5 | 6 | Turcsányi Levente (2017)MATE - GEAC | 00:52.44 | 00:08.73 | 76 | |
| 6 | 4 | Bárdos Bendegúz Mihály (2017)Darnyi Tamás SC | 00:57.82 | 00:14.11 | 57 |