| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Magda Boldizsár (2005)BVSC-Zugló | 50.08 | - | 819 | |
50m23.86 R:0.62 100m50.0826.22 -
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| 2 | 5 | Barcsák Ambrus (2004)Bajai SSC | 52.01 | 01.93 | 731 | |
50m25.07 R:0.61 100m52.0126.94 -
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| 3 | 6 | Duca Stefan-Mircea (2006)BVSC-Zugló | 52.53 | 02.45 | 709 | |
50m25.44 R:0.69 100m52.5327.09 -
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| 4 | 1 | Musa Márk (2007)Hód Úszó SE | 52.67 | 02.59 | 704 | |
50m25.37 R:0.55 100m52.6727.30 -
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| 5 | 2 | Denysenko Ivan (2004)CS Seini | 52.71 | 02.63 | 702 | |
| 6 | 3 | Kaiser Dominik (2007)Újpesti Torna Egylet | 52.88 | 02.80 | 695 | |
50m25.55 R:0.73 100m52.8827.33 -
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| 7 | 7 | Fazekas Gábor (2006)Budaörsi Sport Club | 53.98 | 03.90 | 654 | |
50m25.87 R:0.63 100m53.9828.11 -
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| 8 | 8 | Mikita Zalán (2007)Debreceni Sportc. SI | 55.45 | 05.37 | 603 | |
50m26.36 R:0.67 100m55.4529.09 -
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