| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Okolicsányi Huba (2009)Kőbánya Sport Club | 00:28.80 | - | 382 | |
| 2 | 3 | Dukic Aleksandar (2007)Iron Swim SE | 00:28.82 | 00:00.02 | 381 | |
| 3 | 6 | Szász Ármin (2008)Iron Swim SE | 00:28.84 | 00:00.04 | 381 | |
| 4 | 5 | Biben Botond (2009)BVSC-Zugló | 00:28.96 | 00:00.16 | 376 | |
| 5 | 2 | Horváth Frank Szilveszter (2009)A Jövő SC | 00:29.60 | 00:00.80 | 352 | |
| 6 | 7 | Birkás-Kováts Vince (2009)BVSC-Zugló | 00:29.75 | 00:00.95 | 347 | |
| 7 | 1 | Chenhao Yao (2008)Ybl Waterpolo Club | 00:30.03 | 00:01.23 | 337 | |
| 8 | 8 | Révész Áron (2009)Budafóka XXII. SE | 00:31.30 | 00:02.50 | 298 |