| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Varga Dénes Bendegúz (2013)Bálinti Úszó Egyesület | 01:11.71 | - | 244 | |
50m00:33.83 R:0.85 100m01:11.7100:37.88 -
| ||||||
| 2 | 6 | Csajleff Zente (2016)KSK Delfin Kazincbarcika | 01:39.44 | 00:27.73 | 91 | |
50m00:48.20 R:0.97 100m01:39.4400:51.24 -
| ||||||
| 3 | 4 | Kószó Benett (2016)Kőbánya Sport Club | 01:39.46 | 00:27.75 | 91 | |
50m00:47.71 R:0.63 100m01:39.4600:51.75 -
| ||||||
| 4 | 5 | Marsi Zétény (2016)KSK Delfin Kazincbarcika | 01:41.33 | 00:29.62 | 86 | |
50m00:47.87 R:0.72 100m01:41.3300:53.46 -
| ||||||
| 5 | 3 | Tömöri Csobánc (2017)Bohóchal Egyesület | 01:47.09 | 00:35.38 | 73 | |
50m00:50.83 R:0.48 100m01:47.0900:56.26 -
| ||||||