| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Márton Richárd (1999)Budapesti Honvéd SE | 00:50.70 | - | 833 | |
50m00:23.33 R:0.58 100m00:50.7000:27.37 -
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| 2 | 3 | Bagi Zoltán (2007)BVSC-Zugló | 00:51.40 | 00:00.70 | 799 | |
50m00:23.96 R:0.63 100m00:51.4000:27.44 -
| ||||||
| 3 | 2 | Antal Dávid (2008)Bátori Sárkány ÚE | 00:51.85 | 00:01.15 | 779 | |
50m00:24.18 R:0.47 100m00:51.8500:27.67 -
| ||||||
| 4 | 6 | Magda Boldizsár (2005)BVSC-Zugló | 00:52.15 | 00:01.45 | 765 | |
50m00:24.91 R:0.64 100m00:52.1500:27.24 -
| ||||||
| 5 | 5 | Kocsu Anton (2005)UNI Győri Úszó Sportegyesület | 00:52.23 | 00:01.53 | 762 | |
50m00:24.41 R:0.63 100m00:52.2300:27.82 -
| ||||||
| 6 | 7 | Garajszki Máté (2003)BÁCSVÍZ KVSC | 00:53.79 | 00:03.09 | 697 | |
50m00:25.07 R:0.64 100m00:53.7900:28.72 -
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| 7 | 1 | Birkett William (2002)Stipendium Hungaricum | 00:54.04 | 00:03.34 | 688 | |
50m00:24.65 R:0.65 100m00:54.0400:29.39 -
| ||||||
| 8 | 8 | Biben Botond (2009)BVSC-Zugló | 00:54.50 | 00:03.80 | 670 | |
50m00:25.66 R:0.65 100m00:54.5000:28.84 -
| ||||||