| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Szabó Szebasztián (1996)UNI Győri Úszó Sportegy. | 00:23.32R:0.66 | - | 870 | |
| 2 | 4 | Milák Kristóf (2000)Budapesti Honvéd SE | 00:23.44R:0.7 | 00:00.12 | 857 | |
| 3 | 2 | Nell Olivér (2003)Stamina TKSA | 00:23.84R:0.68 | 00:00.52 | 815 | |
| 4 | 3 | Meniconi Giulio (1998)LIVORNO AQUATICS | 00:23.89R:0.63 | 00:00.57 | 810 | |
| 5 | 1 | Simon Bucher (2000)Österreichischer Swhwimmverband (AUT) | 00:23.91R:0.61 | 00:00.59 | 808 | |
| 6 | 6 | Jászó Ádám (2002)Pécsi Sportiskola | 00:23.95R:0.75 | 00:00.63 | 803 | |
| 7 | 7 | Garajszki Máté (2003)KVSC | 00:24.25R:0.64 | 00:00.93 | 774 | |
| 8 | 8 | Antal Dávid (2008)Bátori Sárkány ÚE | 00:24.41R:0.65 | 00:01.09 | 759 |