| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Varga Ágoston (2012)Budapesti Honvéd | 41.78 | - | 239 | |
| 2 | 5 | Tasi Barnabás (2011)Egri Úszó Klub | 43.51 | 01.73 | 212 | |
| 3 | 3 | Tóth Hunor (2011)Érdi Vízisport Kft | 43.92 | 02.14 | 206 | |
| 4 | 7 | Borisov Mikhail (2012)BVSC-Zugló | 44.06 | 02.28 | 204 | |
| 5 | 2 | Zheng Kwok Shing Henry (2011)BVSC-Zugló | 44.72 | 02.94 | 195 | |
| 6 | 1 | Hürkecz Gergő (2012)Kőbánya Sport Club | 44.99 | 03.21 | 191 | |
| 7 | 6 | Hardi Bulcsú (2011)FTC | 45.86 | 04.08 | 181 | |
| 8 | 8 | Mészáros Marcell Mór (2012)Szhalombattai VUK SE | 46.55 | 04.77 | 173 |