| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Milák Kristóf (2000)Budapesti Honvéd SE | 00:48.76 | - | 861 | |
50m00:23.52 R:0.7 100m00:48.7600:25.24 -
| ||||||
| 2 | 5 | Jászó Ádám (2002)Pécsi Sport Nonprofit ZRT | 00:49.11 | 00:00.35 | 843 | |
50m00:24.04 R:0.76 100m00:49.1100:25.07 -
| ||||||
| 3 | 3 | Mészáros Dániel (2003)BVSC-Zugló | 00:49.43 | 00:00.67 | 827 | |
50m00:23.65 R:0.7 100m00:49.4300:25.78 -
| ||||||
| 4 | 2 | Bóna Benedek (2004)UNI Győri Úszó Sportegy. | 00:49.96 | 00:01.20 | 801 | |
50m00:24.10 R:0.69 100m00:49.9600:25.86 -
| ||||||
| 5 | 1 | Harsányi Mátyás (2005)Ferencvárosi Torna Club | 00:50.23 | 00:01.47 | 788 | |
50m00:24.05 R:0.69 100m00:50.2300:26.18 -
| ||||||
| 6 | 6 | Cvetko Luka (2000)Medveščak - Horváthország | 00:50.46 | 00:01.70 | 777 | |
50m00:24.04 R:0.67 100m00:50.4600:26.42 -
| ||||||
| 7 | 8 | Márton Richárd (1999)Budapesti Honvéd SE | 00:50.61 | 00:01.85 | 770 | |
50m00:24.38 R:0.6 100m00:50.6100:26.23 -
| ||||||
| 8 | 7 | Magda Boldizsár (2005)BVSC-Zugló | 00:50.74 | 00:01.98 | 764 | |
50m00:24.28 R:0.62 100m00:50.7400:26.46 -
| ||||||