| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Milák Kristóf (2000)Budapesti Honvéd | 51.03 | - | 909 | |
50m23.68 R:0.66 100m51.0327.35 +3.67
| ||||||
| 2 | 6 | Kós Hubert (2003)Újpesti Torna Egylet | 51.88 | 00.85 | 865 | |
50m24.23 R:0.57 100m51.8827.65 +3.42
| ||||||
| 3 | 5 | Szabó Szebasztián (1996)Győri Úszó Sportegyesület | 52.06 | 01.03 | 857 | |
50m23.71 R:0.59 100m52.0628.35 +4.64
| ||||||
| 4 | 3 | Márton Richárd (1999)Budapesti Honvéd | 52.39 | 01.36 | 840 | |
50m24.34 R:0.62 100m52.3928.05 +3.71
| ||||||
| 5 | 2 | Kenderesi Tamás (1996)Pécsi Sport Nonprof. | 53.58 | 02.55 | 786 | |
50m25.20 R:0.65 100m53.5828.38 +3.18
| ||||||
| 6 | 7 | Tekauer Márk (1998)Kőbánya Sport Club | 54.05 | 03.02 | 765 | |
50m25.24 R:0.62 100m54.0528.81 +3.57
| ||||||
| 7 | 1 | Nagy Dániel (2003)Darnyi Tamás SC | 54.28 | 03.25 | 756 | |
50m25.77 R:0.7 100m54.2828.51 +2.74
| ||||||
| 8 | 8 | Mizsei Márk (2003)Kőbánya Sport Club | 54.41 | 03.38 | 750 | |
50m26.00 R:0.55 100m54.4128.41 +2.41
| ||||||