| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Magda Boldizsár (2005)BVSC-Zugló | 48.12 | - | 809 | |
50m23.15 R:0.63 100m48.1224.97 -
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| 2 | 5 | Kis Noel (2006)HÓD Úszó SE | 48.65 | 00.53 | 782 | |
50m23.12 R:0.55 100m48.6525.53 -
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| 3 | 6 | Harsányi Mátyás (2005)Kaposvári SI | 49.06 | 00.94 | 763 | |
50m23.66 R:0.68 100m49.0625.40 -
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| 4 | 3 | Krstulovic Vladimir (2005)UNI Győri Úszó Sportegy. | 49.21 | 01.09 | 756 | |
50m23.67 R:0.58 100m49.2125.54 -
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| 5 | 8 | Marosi Bálint (2005)Szhalombattai VUK SE | 49.94 | 01.82 | 723 | |
50m23.94 R:0.69 100m49.9426.00 -
| ||||||
| 6 | 7 | Mozsárik Levente (2006)BÁCSVÍZ SC | 50.14 | 02.02 | 715 | |
50m23.96 R:0.64 100m50.1426.18 -
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| 7 | 1 | Pózvai Olivér (2005)UNI Győri Úszó Sportegy. | 50.25 | 02.13 | 710 | |
50m23.93 R:0.63 100m50.2526.32 -
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| 8 | 2 | Tóth Benedek Viktor (2006)Kőbánya Sport Club | 50.35 | 02.23 | 706 | |
50m24.09 R:0.63 100m50.3526.26 -
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