| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kennedy Valér Huba (2005)UNI Győri Úszó Sportegy. | 00:54.98 | - | 727 | |
50m00:25.63 R:0.72 100m00:54.9800:29.35 -
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| 2 | 5 | Hímer Krisztofer (2000)Vasas Sport Club | 00:55.10 | 00:00.12 | 722 | |
50m00:25.37 R:0.66 100m00:55.1000:29.73 -
| ||||||
| 3 | 7 | Paksi Zsombor (2006)Szegedi Úszó Egylet | 00:55.24 | 00:00.26 | 717 | |
50m00:25.69 R:0.63 100m00:55.2400:29.55 -
| ||||||
| 4 | 6 | Bóna Benedek (2004)UNI Győri Úszó Sportegy. | 00:55.42 | 00:00.44 | 710 | |
50m00:25.83 R:0.7 100m00:55.4200:29.59 -
| ||||||
| 5 | 3 | Biben Botond (2009)BVSC-Zugló | 00:55.57 | 00:00.59 | 704 | |
50m00:26.29 R:0.71 100m00:55.5700:29.28 -
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| 6 | 1 | Papp Sebestyén (2008)Újpesti Torna Egylet | 00:55.73 | 00:00.75 | 698 | |
50m00:25.56 R:0.63 100m00:55.7300:30.17 -
| ||||||
| 7 | 2 | Lozer Kaheem Omaro (2004)Vasas Sc - Jamaica | 00:55.74 | 00:00.76 | 698 | |
50m00:25.39 R:0.58 100m00:55.7400:30.35 -
| ||||||
| 8 | 8 | Malahov Kirill (2010)Miskolci Sportiskola | 00:57.57 | 00:02.59 | 633 | |
50m00:26.63 R:0.67 100m00:57.5700:30.94 -
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