| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 3 | Varga Dénes Bendegúz (2013)Bálinti Úszó Egyesület | 01:19.07 | - | 228 | |
50m00:37.77 R:0.68 100m01:19.0700:41.30 -
| ||||||
| 2 | 2 | Salazar Della Donna Tristán (2016)Bálinti Úszó Egyesület | 01:45.05 | 00:25.98 | 97 | |
50m00:51.84 R:0.7 100m01:45.0500:53.21 -
| ||||||
| 3 | 7 | Prekup Zalán Teodor (2017)Váci Vízmű SE | 01:49.35 | 00:30.28 | 86 | |
50m00:52.67 R:0.64 100m01:49.3500:56.68 -
| ||||||
| 4 | 4 | Csajleff Zente (2016)KSK Delfin Kazincbarcika | 01:50.01 | 00:30.94 | 84 | |
50m00:53.98 R:0.7 100m01:50.0100:56.03 -
| ||||||
| 5 | 6 | Nyitrai Máté (2016)Bálinti Úszó Egyesület | 01:52.68 | 00:33.61 | 78 | |
50m00:54.56 R:0.74 100m01:52.6800:58.12 -
| ||||||
| 6 | 5 | Tanczikó Benedek (2017)Kőbánya Sport Club | 02:00.67 | 00:41.60 | 64 | |
50m00:59.42 R:0.67 100m02:00.6701:01.25 -
| ||||||