| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Suijker Maikel (2012)Váci Vízmű SE | 33.02 | - | 253 | |
| 2 | 4 | Vértesy Bálint (2012)Ybl Waterpolo Club | 33.62 | 00.60 | 240 | |
| 3 | 8 | Kóczi Ezra Sámuel (2012)BVSC-Zugló | 33.89 | 00.87 | 234 | |
| 4 | 6 | Pap Marcell Ferenc (2012)Iron Swim SE | 34.37 | 01.35 | 225 | |
| 5 | 3 | Legény Balázs (2012)Kőbánya Sport Club | 34.63 | 01.61 | 220 | |
| 6 | 7 | Kovács Ádám Attila (2012)Debreceni Sportc. SI | 35.82 | 02.80 | 198 | |
| 7 | 2 | Bagaméri-Hoffman Zalán (2012)Ybl Waterpolo Club | 35.92 | 02.90 | 197 | |
| 8 | 1 | Mészáros Marcell Mór (2012)Szhalombattai VUK SE | 36.28 | 03.26 | 191 |