| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Székely Áron (2004)BVSC-Zugló | 23.47 | - | 641 | |
| 2 | 2 | Ngô Đình Chuyền (2001)Vietnam | 23.95 | 00.48 | 603 | |
| 3 | 3 | Kulcsár Zalán (2004)Lőrinc Swim Team | 24.16 | 00.69 | 587 | |
| 4 | 5 | Csicsáky Péter (2003)BVSC-Zugló | 24.31 | 00.84 | 577 | |
| 5 | 7 | Csorvási Dominik (2005)Vasas Sport Club | 25.37 | 01.90 | 507 | |
| 6 | 1 | Makai Mátyás (2002)Iron Swim SE | 25.47 | 02.00 | 501 | |
| 6 | 8 | Mayer Dávid (2007)Budaörsi Sport Club | 25.47 | 02.00 | 501 | |
| - | 6 | Kovács Benedek Bendegúz (1998)BVSC-Zugló | DNS |