| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 1 | Zsidai Dániel (2016)FTC | 47.91 | - | 100 | |
| 2 | 5 | Tanczikó Bálint (2014)Kőbánya Sport Club | 50.33 | 02.42 | 86 | |
| 3 | 2 | Boros Timót (2015)BVSC-Zugló | 50.79 | 02.88 | 84 | |
| 4 | 3 | Gere-Farkas Botond (2015)BVSC-Zugló | 52.51 | 04.60 | 76 | |
| 5 | 4 | Takács György Martin (2014)Kőbánya Sport Club | 53.98 | 06.07 | 70 | |
| 6 | 7 | Kardos Tibor Kristóf (2015)FTC | 55.40 | 07.49 | 64 | |
| 7 | 6 | Boros Teodor (2015)BVSC-Zugló | 57.26 | 09.35 | 58 |