| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Magda Boldizsár (2005)BVSC-Zugló | 48.36 | - | 797 | |
50m23.46 R:0.64 100m48.3624.90 -
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| 2 | 4 | Bóna Benedek (2004)BVSC-Zugló | 48.50 | 00.14 | 790 | |
50m23.69 R:0.7 100m48.5024.81 -
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| 3 | 5 | Mészáros Dániel (2004)FTC | 49.07 | 00.71 | 763 | |
50m23.80 R:0.6 100m49.0725.27 -
| ||||||
| 4 | 2 | Székely Áron (2004)BVSC-Zugló | 49.29 | 00.93 | 752 | |
50m24.17 R:0.73 100m49.2925.12 -
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| 5 | 8 | Andor Benedek (2004)Győri Úszó Sportegy. | 49.69 | 01.33 | 734 | |
50m24.15 R:0.58 100m49.6925.54 -
| ||||||
| 6 | 6 | Marosi Bálint (2005)Szhalombattai VUK SE | 49.74 | 01.38 | 732 | |
50m23.92 R:0.7 100m49.7425.82 -
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| 7 | 1 | Balogh Levente (2005)Kőbánya Sport Club | 50.07 | 01.71 | 718 | |
50m24.04 R:0.63 100m50.0726.03 -
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| 8 | 7 | Krstulovic Vladimir (2005)Győri Úszó Sportegy. | 50.15 | 01.79 | 714 | |
50m24.24 R:0.59 100m50.1525.91 -
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