| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kőnig Konor Kende (2016)FTC | 02:56.74 | - | ||
100m01:23.24 150m02:18.5000:55.26 +10.67
200m02:56.7400:38.24 -17.02
| ||||||
| 2 | 6 | Büki Norbert János (2016)BVSC-Zugló | 03:10.91 | 00:14.17 | ||
100m01:35.13 150m02:26.9500:51.82 -0.46
200m03:10.9100:43.96 -7.86
| ||||||
| 3 | 5 | Buzás-Főzy Zsombor (2016)BVSC-Zugló | 03:14.81 | 00:18.07 | ||
100m01:36.70 150m02:29.5500:52.85 -0.04
200m03:14.8100:45.26 -7.59
| ||||||
| 4 | 3 | Kirschner Márton (2017)BVSC-Zugló | 03:15.82 | 00:19.08 | ||
| 5 | 2 | Tóth Benedek (2016)Budaörsi Sport Club | 04:04.03 | 01:07.29 | ||
100m02:00.58 150m03:07.3401:06.76 +5.76
200m04:04.0300:56.69 -10.07
| ||||||