| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kós Hubert (2003)Újpesti Torna Egylet | 54.36 | - | 752 | |
50m25.39 100m54.3628.97 +3.58
| ||||||
| 2 | 5 | Kovács Benedek Bendegúz (1998)BVSC-Zugló | 54.52 | 00.16 | 746 | |
50m25.67 100m54.5228.85 +3.18
| ||||||
| 3 | 1 | Cserfalvi Olaf (2004)Vasas Sport Club | 55.19 | 00.83 | 719 | |
50m25.85 100m55.1929.34 +3.49
| ||||||
| 4 | 2 | Hoang Quy Phuoc (1993)BVSC-Zugló | 56.05 | 01.69 | 686 | |
50m26.55 100m56.0529.50 +2.95
| ||||||
| 5 | 3 | Németh Nándor (1999)BVSC-Zugló | 56.28 | 01.92 | 678 | |
50m26.08 100m56.2830.20 +4.12
| ||||||
| 6 | 7 | Hồ Nguyễn Duy Khoa (2005)Vietnam | 56.65 | 02.29 | 665 | |
50m26.60 100m56.6530.05 +3.45
| ||||||
| 7 | 8 | Trần Hưng Nguyên (2003)Vietnam | 57.03 | 02.67 | 651 | |
50m26.68 100m57.0330.35 +3.67
| ||||||
| 8 | 6 | Török Dominik Márk (2002)BVSC-Zugló | 57.33 | 02.97 | 641 | |
50m27.19 100m57.3330.14 +2.95
| ||||||