| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 5 | Juhász Vince (2013)Érdi Vízisport Kft | 45.29 | - | 118 | |
| 2 | 4 | Kőnig Konor Kende (2016)Ferencvárosi Torna Club | 45.39 | 00.10 | 118 | |
| 3 | 3 | Zsidai Dániel (2016)Ferencvárosi Torna Club | 46.50 | 01.21 | 109 | |
| 4 | 7 | Takács György Martin (2014)Kőbánya Sport Club | 48.19 | 02.90 | 98 | |
| 5 | 8 | Nagy-Varga Mátyás (2012)Hatvani Úszó Klub SE | 52.21 | 06.92 | 77 | |
| 6 | 6 | Boros Timót (2015)BVSC-Zugló | 56.11 | 10.82 | 62 | |
| 7 | 2 | Gere-Farkas Botond (2015)BVSC-Zugló | 57.19 | 11.90 | 59 | |
| 8 | 1 | Kardos Tibor Kristóf (2015)Ferencvárosi Torna Club | 58.50 | 13.21 | 55 |