| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 7 | Boros Timót (2015)BVSC-Zugló | 41.41 | - | 128 | |
| 2 | 6 | Gere-Farkas Botond (2015)BVSC-Zugló | 45.56 | 04.15 | 96 | |
| 3 | 2 | Boros Teodor (2015)BVSC-Zugló | 45.68 | 04.27 | 95 | |
| 4 | 8 | Vesztergom Dániel (2014)Darnyi Tamás SC | 46.14 | 04.73 | 93 | |
| 5 | 3 | Kónya Kristóf Noé (2015)BVSC-Zugló | 46.43 | 05.02 | 91 | |
| 6 | 1 | Büki Norbert János (2016)FTC | 46.69 | 05.28 | 89 | |
| 7 | 5 | Gregorics Miklós (2014)BVSC-Zugló | 50.28 | 08.87 | 71 | |
| 8 | 4 | Szavéri Patrik (2015)Kőbánya Sport Club | 59.51 | 18.10 | 43 |