| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Milák Kristóf (2000)Budapesti Honvéd SE | 00:49.74 | - | 811 | |
50m00:24.09 R:0.7 100m00:49.7400:25.65 -
| ||||||
| 2 | 5 | Magda Boldizsár (2005)BVSC-Zugló | 00:50.50 | 00:00.76 | 775 | |
50m00:24.18 R:0.63 100m00:50.5000:26.32 -
| ||||||
| 3 | 6 | Harsányi Mátyás (2005)Ferencvárosi Torna Club | 00:50.52 | 00:00.78 | 774 | |
50m00:24.48 R:0.69 100m00:50.5200:26.04 -
| ||||||
| 4 | 3 | Kakuk Koppány Zéta (2008)Kaposvári Sportköz.SI | 00:50.70 | 00:00.96 | 766 | |
50m00:24.49 R:0.7 100m00:50.7000:26.21 -
| ||||||
| 5 | 2 | Mészáros Dániel (2004)Debreceni Sportc. SI | 00:50.76 | 00:01.02 | 763 | |
50m00:24.36 R:0.6 100m00:50.7600:26.40 -
| ||||||
| 6 | 8 | Vadas Adam (2003)SV Friesen - Ausztria | 00:52.20 | 00:02.46 | 702 | |
50m00:25.02 R:0.74 100m00:52.2000:27.18 -
| ||||||
| 7 | 0 | Kulcsár Barnabás (2007)UNI Győri Úszó Sportegy. | 00:52.39 | 00:02.65 | 694 | |
50m00:25.40 R:0.66 100m00:52.3900:26.99 -
| ||||||
| 8 | 9 | Kukhalasvili Luka (2002)Stipendium Hungaricum | 00:52.99 | 00:03.25 | 671 | |
50m00:25.33 R:0.62 100m00:52.9900:27.66 -
| ||||||
| - | 1 | Poteczin Dániel (2006)Érdi Vízisport Kft | DNS | |||
| - | 7 | Betlehem Dávid (2003)Ferencvárosi Torna Club | DNS | |||