| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Egyed Leó Barnabás (2013)BVSC-Zugló | 43.11 | - | 114 | |
| 2 | 5 | Omai Barnabás (2014)Budaörsi Sport Club | 43.68 | 00.57 | 109 | |
| 3 | 6 | Létang-Prónay Martin (2015)Kőbánya Sport Club | 45.68 | 02.57 | 95 | |
| 4 | 8 | Gyuricza Zsombor (2014)Budapesti Honvéd | 45.73 | 02.62 | 95 | |
| 5 | 2 | Nemes Domonkos (2013)A Jövő SC | 46.23 | 03.12 | 92 | |
| 6 | 1 | Takács György Martin (2014)Kőbánya Sport Club | 46.38 | 03.27 | 91 | |
| 7 | 3 | Vincze Noel (2013)Váci Ifjúsági SE | 47.79 | 04.68 | 83 | |
| - | 7 | Deák Kristóf (2014)FTC | DNS |