| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Nagyházi Bence (2012)A Jövő SC FCSM | 00:26.33R:0.74 | - | 500 | |
| 2 | 5 | Rudits Balázs (2012)BVSC-Zugló | 00:26.76R:0.72 | 00:00.43 | 477 | |
| 3 | 3 | Kesztler Gábor György (2012)Százhalombattai VUKSE | 00:26.80R:0.73 | 00:00.47 | 474 | |
| 4 | 6 | Kovács-Pimper Gergő (2012)Balaton ÚK Veszprém | 00:27.09R:0.69 | 00:00.76 | 459 | |
| 5 | 2 | Kohán Benjamin (2012)NICS-HSÚVC | 00:27.39R:0.66 | 00:01.06 | 444 | |
| 6 | 7 | Vida Botond Attila (2012)Four Diamonds SE | 00:27.83R:0.7 | 00:01.50 | 424 | |
| 7 | 1 | Hajós Dániel (2012)II. Kerületi Sport | 00:28.04R:0.83 | 00:01.71 | 414 | |
| 8 | 8 | Nagy Levente (2012)Dombóvár SI | 00:28.38R:0.75 | 00:02.05 | 399 |