| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Phạm Thanh Bảo (2001)Vietnam | 00:29.32 | - | 693 | |
| 2 | 5 | Kós Hubert (2003)Újpesti Torna Egylet | 00:29.96 | 00:00.64 | 649 | |
| 3 | 3 | Merész Bence (2004)Újpesti Torna Egylet | 00:30.35 | 00:01.03 | 625 | |
| 4 | 6 | Csorvási Dominik (2005)Vasas Sport Club | 00:31.53 | 00:02.21 | 557 | |
| 5 | 2 | Varga Marcell (2007)Budapesti Honvéd | 00:32.19 | 00:02.87 | 523 | |
| 6 | 1 | Dominiák Marcell (2007)BVSC-Zugló | 00:32.55 | 00:03.23 | 506 | |
| 7 | 7 | Szentpéteri Márk (2004)BVSC-Zugló | 00:32.65 | 00:03.33 | 502 | |
| 8 | 8 | Szentmihályi Ábel (2006)Ybl Waterpolo Club | 00:33.31 | 00:03.99 | 472 |