| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 6 | Varga Máté (2004)Lőrinc Swim Team | 52.05 | - | 643 | |
50m24.91 100m52.0527.14 +2.23
| ||||||
| 2 | 4 | Csicsáky Péter (2003)BVSC-Zugló | 52.39 | 00.34 | 631 | |
50m25.60 100m52.3926.79 +1.19
| ||||||
| 3 | 7 | Duca Stefan-Mircea (2006)BVSC-Zugló | 52.64 | 00.59 | 622 | |
50m25.62 100m52.6427.02 +1.4
| ||||||
| 4 | 5 | Hồ Nguyễn Duy Khoa (2005)Vietnam | 53.23 | 01.18 | 601 | |
50m25.66 100m53.2327.57 +1.91
| ||||||
| 5 | 1 | Pál Vince (2005)Újpesti Torna Egylet | 53.27 | 01.22 | 600 | |
50m25.71 100m53.2727.56 +1.85
| ||||||
| 6 | 2 | Mai Tran Tijan Anh (2005)Vietnam | 53.57 | 01.52 | 590 | |
50m25.90 100m53.5727.67 +1.77
| ||||||
| 7 | 8 | Birkás Botond (2006)Budaörsi Sport Club | 55.97 | 03.92 | 517 | |
50m27.61 100m55.9728.36 +0.75
| ||||||
| - | 3 | Székely Áron (2004)BVSC-Zugló | DNS | |||