| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Lindwurm Lénárd (2016)Ferencvárosi Torna Club | 00:53.69R:0.66 | - | 100 | |
| 2 | 3 | Epress Tihamér (2016)Kőbánya Sport Club | 00:57.39R:0.7 | 00:03.70 | 82 | |
| 3 | 1 | László Máté (2018)Ferencvárosi Torna Club | 00:57.59R:0.46 | 00:03.90 | 81 | |
| 4 | 6 | Tanczikó Benedek (2017)Kőbánya Sport Club | 00:57.76R:0.72 | 00:04.07 | 80 | |
| 5 | 5 | Csongrádi Borisz (2017)Ferencvárosi Torna Club | 00:58.60R:0.47 | 00:04.91 | 77 | |
| 6 | 2 | Tószegi Marcell (2016)Római Sport Egyesüle | 00:58.67R:0.85 | 00:04.98 | 76 | |
| 7 | 7 | Zafir Zétény (2018)Kőbánya Sport Club | 01:14.88 | 00:21.19 | 36 |