| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Hồ Nguyễn Duy Khoa (2005)Vietnam | 25.49 | - | 621 | |
| 2 | 3 | Ngô Đình Chuyền (2001)Vietnam | 25.72 | 00.23 | 604 | |
| 3 | 4 | Csicsáky Péter (2003)BVSC-Zugló | 25.86 | 00.37 | 594 | |
| 4 | 6 | Csorvási Dominik (2005)Vasas Sport Club | 26.11 | 00.62 | 578 | |
| 5 | 2 | Kulcsár Zalán (2004)Lőrinc Swim Team | 26.22 | 00.73 | 570 | |
| 6 | 7 | Makai Mátyás (2002)Iron Swim SE | 26.87 | 01.38 | 530 | |
| 7 | 1 | Mayer Dávid (2007)Budaörsi Sport Club | 27.09 | 01.60 | 517 | |
| 8 | 8 | Bánsági Balázs (2005)Stamina TKSA | 27.76 | 02.27 | 480 |