| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Mozsárik Levente (2006)BÁCSVÍZ SC | 00:54.01 | - | 655 | |
50m00:25.54 R:0.68 100m00:54.0100:54.01 +28.47
| ||||||
| 2 | 4 | Benigni Márk (2006)Vasas Sport Club | 00:54.31 | 00:00.30 | 644 | |
50m00:25.49 R:0.71 100m00:54.3100:54.31 +28.82
| ||||||