| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Németh Nándor (1999)Ferencvárosi Torna Club | 00:48.97 | - | 850 | |
50m00:23.54 R:0.63 100m00:48.9700:25.43 -
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| 2 | 5 | Szabó Györgyei Szebasztián (1996)BVSC-Zugló | 00:50.00 | 00:01.03 | 799 | |
50m00:24.39 R:0.64 100m00:50.0000:25.61 -
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| 3 | 3 | Giefing Christian (2008)Team Austria | 00:50.26 | 00:01.29 | 786 | |
50m00:24.11 R:0.69 100m00:50.2600:26.15 -
| ||||||
| 4 | 6 | Papp Sebestyén (2008)Újpesti Torna Egylet | 00:50.41 | 00:01.44 | 779 | |
50m00:24.44 R:0.62 100m00:50.4100:25.97 -
| ||||||
| 5 | 2 | Márton Richárd (1999)Budapesti Honvéd SE | 00:51.00 | 00:02.03 | 753 | |
50m00:24.40 R:0.63 100m00:51.0000:26.60 -
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| 6 | 7 | Deák Gergely (2007)A Jövő SC | 00:51.57 | 00:02.60 | 728 | |
50m00:24.97 R:0.7 100m00:51.5700:26.60 -
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| 7 | 9 | Rasovszky Kristóf (1997)Ferencvárosi Torna Club | 00:52.26 | 00:03.29 | 699 | |
50m00:25.76 R:0.67 100m00:52.2600:26.50 -
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| 8 | 1 | Grandpierre Krisztián (2007)Ferencvárosi Torna Club | 00:52.94 | 00:03.97 | 673 | |
50m00:25.60 R:0.62 100m00:52.9400:27.34 -
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| 9 | 8 | COMAS Alexandre (2008)SPAIN | 00:53.08 | 00:04.11 | 667 | |
50m00:25.97 R:0.64 100m00:53.0800:27.11 -
| ||||||
| 10 | 0 | Oláh Ádám (2010)NICS-HSÚVC | 00:53.50 | 00:04.53 | 652 | |
50m00:25.84 R:0.69 100m00:53.5000:27.66 -
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