| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Horváth Dávid (1996)Kőbánya Sport Club | 00:28.91R:0.64 | - | 723 | |
| 2 | 6 | Okos Ákos (1997)Vasas Sport Club | 00:29.80R:0.67 | 00:00.89 | 660 | |
| 3 | 3 | Sámóczi Milán (2005)Kőbánya Sport Club | 00:30.21R:0.64 | 00:01.30 | 633 | |
| 4 | 5 | Lajter Szabolcs (2003)BÁCSVÍZ SC | 00:30.28R:0.69 | 00:01.37 | 629 | |
| 5 | 2 | Varga Máté (2004)Lőrinc Swim Team | 00:30.80R:0.57 | 00:01.89 | 598 | |
| 6 | 1 | Csontos Dominik (2000)Bohóchal Egyesület | 00:31.42R:0.52 | 00:02.51 | 563 | |
| 7 | 8 | Csorvási Dominik (2005)Vasas Sport Club | 00:31.95R:0.65 | 00:03.04 | 535 | |
| 8 | 7 | Merész Bence (2004)Újpesti Torna Egylet | 00:31.99R:0.61 | 00:03.08 | 533 | |
| 9 | 0 | Harsányi Hunor (2005)A Jövő SC | 00:32.76R:0.69 | 00:03.85 | 497 | |
| 10 | 9 | Nemes Boldizsár (2005)A Jövő SC | 00:33.05R:0.71 | 00:04.14 | 484 |