| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Hardi Bulcsú (2011)FTC | 46.24 | - | 176 | |
| 2 | 6 | Zheng Henry (2011)BVSC-Zugló | 46.54 | 00.30 | 173 | |
| 3 | 1 | Horánszky Viktor (2011)Egri Úszó Klub | 46.68 | 00.44 | 171 | |
| 4 | 3 | Hürkecz Gergő (2012)Kőbánya Sport Club | 47.39 | 01.15 | 164 | |
| 5 | 5 | Rácz Márk (2012)Ybl Waterpolo Club | 48.58 | 02.34 | 152 | |
| 6 | 7 | Vatay-Nemere Botond (2012)Ybl Waterpolo Club | 48.62 | 02.38 | 152 | |
| 7 | 8 | Kiss Bulcsú Zétény (2011)BVSC-Zugló | 49.17 | 02.93 | 146 |