| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Tordai Dániel (2017)Kőbánya Sport Club | 00:42.53R:0.61 | - | 118 | |
| 2 | 7 | Gertner Milán (2014)Városi Sportegyesület Dunakeszi | 00:43.96R:0.72 | 00:01.43 | 107 | |
| 3 | 2 | Katona Zétény (2016)FTC | 00:44.47R:0.74 | 00:01.94 | 103 | |
| 4 | 1 | Varga Márton Patrik (2016)Budapesti Honvéd Sportegyesület | 00:44.67R:0.7 | 00:02.14 | 102 | |
| 5 | 4 | Gelegonya Levente (2016)Budapesti Honvéd Sportegyesület | 00:46.20R:0.53 | 00:03.67 | 92 | |
| 6 | 8 | Molnár-Szalai András Béla (2015)Budapesti Honvéd Sportegyesület | 00:51.28 | 00:08.75 | 67 | |
| 7 | 3 | Vilhelm Bence (2015)Városi Sportegyesület Dunakeszi | 00:52.45 | 00:09.92 | 63 | |
| 8 | 6 | Szeles Dominik Gergely (2017)Kőbánya Sport Club | 00:55.86 | 00:13.33 | 52 |