| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Németh Nándor (1999)FTC | 48.47 | - | 791 | |
50m22.86 R:0.67 100m48.4725.61 -
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| 2 | 5 | Jászó Ádám (2002)Pécsi Sportiskola | 48.59 | 00.12 | 785 | |
50m23.42 R:0.76 100m48.5925.17 -
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| 3 | 3 | Magda Boldizsár (2005)BVSC-Zugló | 48.75 | 00.28 | 778 | |
50m23.56 R:0.64 100m48.7525.19 -
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| 4 | 2 | Pózvai Olivér (2005)UNI Győri Úszó Sportegy. | 49.77 | 01.30 | 731 | |
50m23.98 R:0.65 100m49.7725.79 -
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| 5 | 1 | Hosszú Máté (2006)UNI Győri Úszó Sportegy. | 50.22 | 01.75 | 711 | |
50m24.58 R:0.65 100m50.2225.64 -
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| 6 | 7 | Kaiser Dominik (2007)Budapesti Honvéd SE | 50.31 | 01.84 | 708 | |
50m24.21 R:0.68 100m50.3126.10 -
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| 7 | 6 | Papp Sebestyén (2008)Újpesti Torna Egylet | 50.46 | 01.99 | 701 | |
50m23.81 R:0.64 100m50.4626.65 -
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| 8 | 8 | Hartmann Máté (2005)Pécsi Sportiskola | 50.78 | 02.31 | 688 | |
50m24.98 R:0.62 100m50.7825.80 -
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