| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Telegdy Ádám (1995)Kőbánya Sport Club | 00:53.76 | - | 884 | |
50m00:26.39 R:0.67 100m00:53.7600:27.37 -
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| 2 | 4 | Jászó Ádám (2002)Pécsi Sportiskola | 00:54.14 | 00:00.38 | 865 | |
50m00:26.43 R:0.68 100m00:54.1400:27.71 -
| ||||||
| 3 | 6 | Kovács Benedek Bendegúz (1998)BVSC-Zugló | 00:54.81 | 00:01.05 | 834 | |
50m00:26.65 R:0.64 100m00:54.8100:28.16 -
| ||||||
| 4 | 3 | Bernhard Reitshammer (1994)Österreichischer Swhwimmverband (AUT) | 00:55.60 | 00:01.84 | 799 | |
50m00:26.61 R:0.64 100m00:55.6000:28.99 -
| ||||||
| 5 | 7 | Moritz Dittrich (2001)Österreichischer Swhwimmverband (AUT) | 00:55.71 | 00:01.95 | 794 | |
50m00:26.81 R:0.57 100m00:55.7100:28.90 -
| ||||||
| 6 | 1 | Ángyán Máté (2005)Érdi Vízisport Kft | 00:56.02 | 00:02.26 | 781 | |
50m00:27.16 R:0.62 100m00:56.0200:28.86 -
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| 7 | 2 | Marosi Bálint (2005)Százhalombattai VUKSE | 00:56.15 | 00:02.39 | 776 | |
50m00:26.85 R:0.58 100m00:56.1500:29.30 -
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| 8 | 8 | Balogh Levente (2005)Kőbánya Sport Club | 00:57.18 | 00:03.42 | 734 | |
50m00:27.57 R:0.55 100m00:57.1800:29.61 -
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