| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Nell Olivér (2003)Stamina TKSA | 24.36 | - | 764 | |
| 2 | 5 | Bagi Zoltán (2007)TTK | 24.53 | 00.17 | 748 | |
| 3 | 3 | Tekauer Márk (1998)Kőbánya Sport Club | 25.37 | 01.01 | 676 | |
| 4 | 2 | Perkkiö Emil Aleksander (2000)NICS-HSÚVC | 26.24 | 01.88 | 611 | |
| 5 | 6 | Tendo Mukalazi (2002)Uganda | 26.89 | 02.53 | 568 | |
| 6 | 8 | Makai Mátyás (2002)Iron Swim SE | 26.90 | 02.54 | 567 | |
| 7 | 7 | Birkás Botond (2006)Budaörsi Sport Club | 26.96 | 02.60 | 563 | |
| 8 | 1 | Ali Jafari (2004)Irán | 27.49 | 03.13 | 531 |