| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Milák Kristóf (2000)Budapesti Honvéd | 00:50.84 | - | 830 | |
50m00:23.26 R:0.67 100m00:50.8400:27.58 +4.32
| ||||||
| 2 | 5 | Tekauer Márk (1998)Kőbánya Sport Club | 00:53.47 | 00:02.63 | 713 | |
50m00:25.09 R:0.65 100m00:53.4700:28.38 +3.29
| ||||||
| 3 | 3 | Lakner Dávid (2001)BVSC-Zugló | 00:53.80 | 00:02.96 | 700 | |
50m00:25.03 R:0.64 100m00:53.8000:28.77 +3.74
| ||||||
| 4 | 6 | VALIZADA Ramil (2004)Azerbaijan | 00:54.71 | 00:03.87 | 666 | |
50m00:25.86 R:0.69 100m00:54.7100:28.85 +2.99
| ||||||
| 5 | 8 | Nell Olivér (2003)Stamina TKSA | 00:55.10 | 00:04.26 | 652 | |
50m00:24.99 R:0.69 100m00:55.1000:30.11 +5.12
| ||||||
| 6 | 2 | Tohl Patrik Péter (2004)Érdi Vízisport Kft | 00:55.51 | 00:04.67 | 637 | |
50m00:25.84 R:0.66 100m00:55.5100:29.67 +3.83
| ||||||
| - | 1 | Jászó Ádám (2002)Pécsi Sport Nonprof. | DNS | |||
| - | 7 | Kochu Anton (2005)Győri Úszó Sportegy. | DNS | |||