| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Milák Kristóf (2000)Budapesti Honvéd | 00:50.80 | - | 922 | |
50m00:23.82 R:0.68 100m00:50.8000:26.98 -
| ||||||
| 2 | 3 | Márton Richárd (1999)Budapesti Honvéd | 00:51.70 | 00:00.90 | 875 | |
50m00:24.13 R:0.63 100m00:51.7000:27.57 -
| ||||||
| 3 | 5 | Németh Nándor (1999)BVSC-Zugló | 00:52.86 | 00:02.06 | 818 | |
50m00:24.86 R:0.64 100m00:52.8600:28.00 -
| ||||||
| 4 | 2 | Magda Boldizsár (2005)BVSC-Zugló | 00:54.49 | 00:03.69 | 747 | |
50m00:25.29 R:0.65 100m00:54.4900:29.20 -
| ||||||
| 5 | 6 | Pető Bence (2003)HÓD Úszó SE | 00:54.55 | 00:03.75 | 744 | |
50m00:25.11 R:0.62 100m00:54.5500:29.44 -
| ||||||
| 6 | 1 | Bagi Zoltán (2007)BVSC-Zugló | 00:54.69 | 00:03.89 | 739 | |
50m00:25.55 R:0.65 100m00:54.6900:29.14 -
| ||||||
| 7 | 7 | Andor Benedek (2004)Győri Úszó Sportegy. | 00:54.76 | 00:03.96 | 736 | |
50m00:25.20 R:0.58 100m00:54.7600:29.56 -
| ||||||
| 8 | 8 | Mizsei Márk (2003)Kőbánya Sport Club | 00:54.96 | 00:04.16 | 728 | |
50m00:25.79 R:0.63 100m00:54.9600:29.17 -
| ||||||