| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Birkett William (2002)Stipendium Hungaricum | 00:28.17R:0.65 | - | 483 | |
| 2 | 7 | Dominiák Marcell (2007)BVSC-Zugló | 00:30.85R:0.71 | 00:02.68 | 368 | |
| 3 | 8 | Ng Chiu Hing Ning Chadd (2006)Stipendium Hungaricum | 00:31.03R:0.75 | 00:02.86 | 361 | |
| 4 | 4 | Prokopy Endre Rudolf (2011)Bálinti Úszó Egyes. | 00:33.33R:0.87 | 00:05.16 | 291 | |
| 5 | 3 | Morozov Gordey (2009)Ybl Water Polo Club | 00:34.04R:0.66 | 00:05.87 | 274 | |
| 6 | 2 | Tóth Lénárd (2011)II. Kerületi Sport | 00:34.05R:0.7 | 00:05.88 | 273 | |
| 7 | 5 | Kóczi Ezra Sámuel (2012)BVSC-Zugló | 00:34.54R:0.74 | 00:06.37 | 262 | |
| 8 | 6 | Palov Péter (2011)MATE - GEAC | 00:34.60R:0.66 | 00:06.43 | 260 |