| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Kőnig Konor Kende (2016)FTC | 44.94 | - | 121 | |
| 2 | 5 | Zsidai Dániel (2016)FTC | 44.99 | 00.05 | 121 | |
| 3 | 6 | Gyuricza Zsombor (2014)Budapesti Honvéd SE | 46.39 | 01.45 | 110 | |
| 4 | 3 | Laczkó Olivér (2014)Kőbánya Sport Club | 47.61 | 02.67 | 102 | |
| 5 | 7 | Deák Kristóf (2014)FTC | 48.94 | 04.00 | 94 | |
| 6 | 2 | Takács György Martin (2014)Kőbánya Sport Club | 49.31 | 04.37 | 92 | |
| 7 | 1 | Ferenczi Sándor (2015)BVSC-Zugló | 50.95 | 06.01 | 83 | |
| - | 8 | Vesztergom Dániel (2014)Darnyi Tamás SC | DSQ |