| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Bánsági Balázs (2005)Stamina TKSA | 00:34.40R:0.68 | - | 429 | |
| 2 | 6 | Gergely Bence (2009)Hullám 91 | 00:38.05R:0.72 | 00:03.65 | 317 | |
| 3 | 2 | Deutsch Dániel László (2013)A Jövő SC | 00:39.36R:0.73 | 00:04.96 | 286 | |
| 4 | 7 | Szabó Benedek (2017)DELFIN SE | 00:50.20 | 00:15.80 | 138 | |
| 5 | 0 | Nagy Márton Dezső (2014)M-Mekler László SE | 00:56.11R:0.78 | 00:21.71 | 98 | |
| 6 | 1 | Molvarec András (2017)Darnyi Tamás SC | 00:56.24 | 00:21.84 | 98 | |
| 7 | 8 | Tőzsér Zsigmond (2018)Darnyi Tamás SC | 00:58.50 | 00:24.10 | 87 | |
| 8 | 5 | Nguyen Phu Ouy (2014)Jövő Magyar Sportolói SE | 01:02.58R:0.81 | 00:28.18 | 71 | |
| 9 | 4 | Izsó Levin (2017)Darnyi Tamás SC | 01:05.93 | 00:31.53 | 60 |