| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Jászó Ádám (2002)Pécsi Sportiskola | 00:50.74 | - | 864 | |
50m00:24.85 R:0.65 100m00:50.7400:25.89 -
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| 2 | 3 | Kovács Benedek Bendegúz (1998)Ferencvárosi Torna Club | 00:51.82 | 00:01.08 | 811 | |
50m00:25.50 R:0.62 100m00:51.8200:26.32 -
| ||||||
| 3 | 2 | Dittrich Moritz (2001)SVSi | 00:51.95 | 00:01.21 | 805 | |
50m00:25.19 R:0.55 100m00:51.9500:26.76 -
| ||||||
| 4 | 6 | Németh Nándor (1999)Ferencvárosi Torna Club | 00:52.28 | 00:01.54 | 790 | |
50m00:25.45 R:0.51 100m00:52.2800:26.83 -
| ||||||
| 5 | 5 | Papp Sebestyén (2008)Újpesti Torna Egylet | 00:52.44 | 00:01.70 | 782 | |
50m00:25.12 R:0.63 100m00:52.4400:27.32 -
| ||||||
| 6 | 1 | Rácz Zsombor Péter (2007)BVSC-Zugló | 00:52.58 | 00:01.84 | 776 | |
50m00:25.79 R:0.59 100m00:52.5800:26.79 -
| ||||||
| 7 | 7 | Magda Boldizsár (2005)BVSC-Zugló | 00:52.84 | 00:02.10 | 765 | |
50m00:25.74 R:0.5 100m00:52.8400:27.10 -
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| - | 8 | Giefing Christian (2008)Team Austria | DSQ | |||