| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kós Hubert (2003)BVSC-Zugló | 52.24 | - | 963 | |
50m25.07 R:0.56 100m52.2427.17 -
| ||||||
| 2 | 2 | Jászó Ádám (2002)Pécsi Sport Nonprofit ZRT | 53.92 | 01.68 | 876 | |
50m26.20 R:0.69 100m53.9227.72 -
| ||||||
| 3 | 6 | Kovács Benedek Bendegúz (1998)Ferencvárosi Torna Club | 54.09 | 01.85 | 868 | |
50m26.29 R:0.63 100m54.0927.80 -
| ||||||
| 4 | 7 | Ángyán Máté (2005)Érdi Vízisport Kft | 55.17 | 02.93 | 818 | |
50m26.87 R:0.61 100m55.1728.30 -
| ||||||
| 5 | 3 | Kós Olivér (2005)BVSC-Zugló | 55.31 | 03.07 | 811 | |
50m26.98 R:0.65 100m55.3128.33 -
| ||||||
| 6 | 1 | Rácz Zsombor Péter (2007)BVSC-Zugló | 55.99 | 03.75 | 782 | |
50m26.99 R:0.6 100m55.9929.00 -
| ||||||
| 7 | 5 | Magda Boldizsár (2005)BVSC-Zugló | 56.13 | 03.89 | 776 | |
50m27.17 R:0.56 100m56.1328.96 -
| ||||||
| 8 | 8 | Papp Sebestyén (2008)Újpesti Torna Egylet | 56.39 | 04.15 | 766 | |
50m27.21 R:0.61 100m56.3929.18 -
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