| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kovács Benedek Bendegúz (1998)BVSC-Zugló | 00:54.18 | - | 876 | |
50m00:26.54 R:0.64 100m00:54.1800:27.64 +1.1
| ||||||
| 2 | 3 | Jászó Ádám (2002)Pécsi Sport Nonprof. | 00:54.83 | 00:00.65 | 845 | |
50m00:27.07 R:0.69 100m00:54.8300:27.76 +0.69
| ||||||
| 3 | 7 | Telegdy Ádám (1995)Kőbánya Sport Club | 00:54.84 | 00:00.66 | 845 | |
50m00:26.86 R:0.65 100m00:54.8400:27.98 +1.12
| ||||||
| 4 | 5 | Zheltyakov Oleksandr (2005)UKRAJNA | 00:54.86 | 00:00.68 | 844 | |
50m00:26.73 R:0.56 100m00:54.8600:28.13 +1.4
| ||||||
| 5 | 6 | Bohus Richárd (1993)BVSC-Zugló | 00:54.92 | 00:00.74 | 841 | |
50m00:26.57 R:0.57 100m00:54.9200:28.35 +1.78
| ||||||
| 6 | 2 | Sós Dániel (1998)Vasas Sport Club | 00:55.71 | 00:01.53 | 806 | |
50m00:26.95 R:0.69 100m00:55.7100:28.76 +1.81
| ||||||
| 7 | 8 | Marosi Bálint (2005)Szhalombattai VUK SE | 00:56.94 | 00:02.76 | 755 | |
50m00:27.15 R:0.56 100m00:56.9400:29.79 +2.64
| ||||||
| 8 | 1 | Rasovszky Kristóf (1997)Balaton ÚK Veszprém | 01:00.19 | 00:06.01 | 639 | |
50m00:29.12 R:0.71 100m01:00.1900:31.07 +1.95
| ||||||