| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Quy Phuoc Hoang (1993)VIETNAM | 00:50.92 | - | 781 | |
50m00:24.52 R:0.62 100m00:50.9200:26.40 +1.88
| ||||||
| 2 | 2 | Garajszki Máté (2003)BÁCSVÍZ SC | 00:51.24 | 00:00.32 | 767 | |
50m00:24.65 R:0.68 100m00:51.2400:26.59 +1.94
| ||||||
| 3 | 6 | Giczi Mátyás Zsolt (2003)Győri Úszó Sportegyesület | 00:51.46 | 00:00.54 | 757 | |
50m00:24.57 R:0.7 100m00:51.4600:26.89 +2.32
| ||||||
| 4 | 5 | Nell Olivér (2003)Stamina TKSA | 00:51.47 | 00:00.55 | 757 | |
50m00:24.62 R:0.68 100m00:51.4700:26.85 +2.23
| ||||||
| 5 | 3 | Sződi Zsolt (2003)BVSC-Zugló | 00:51.60 | 00:00.68 | 751 | |
50m00:24.75 R:0.63 100m00:51.6000:26.85 +2.1
| ||||||
| 6 | 1 | Dinh Chuyen Ngo (2001)VIETNAM | 00:51.77 | 00:00.85 | 743 | |
50m00:25.12 R:0.65 100m00:51.7700:26.65 +1.53
| ||||||
| 7 | 8 | Bóna Benedek (2004)BVSC-Zugló | 00:51.89 | 00:00.97 | 738 | |
50m00:25.45 R:0.72 100m00:51.8900:26.44 +0.99
| ||||||
| 8 | 7 | Babik Barna (1999)Vasas Sport Club | 00:53.36 | 00:02.44 | 679 | |
50m00:24.90 R:0.65 100m00:53.3600:28.46 +3.56
| ||||||