| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Nyilas Kornél (2000)Vasas Sport Club | 00:58.25 | - | 611 | |
50m00:26.50 R:0.6 100m00:58.2500:31.75 +5.25
| ||||||
| 2 | 6 | Váczy Bence (2009)Lőrinc Swim Team | 01:16.52 | 00:18.27 | 269 | |
50m00:34.83 R:0.83 100m01:16.5200:41.69 +6.86
| ||||||
| 3 | 4 | Csiki Brúnó Domonkos (2008)Ybl Waterpolo Club | 01:17.78 | 00:19.53 | 256 | |
50m00:35.15 R:0.71 100m01:17.7800:42.63 +7.48
| ||||||
| - | 5 | Szalay Toshimi (2006)Iron Swim SE | DNS | |||