| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 2 | Császár-Bíró Máté (2013)Kőbánya Sport Club | 44.78R:0.89 | - | 145 | |
| 2 | 1 | Juhász Döme (2014)BVSC-Zugló | 47.58R:0.88 | 02.80 | 121 | |
| 3 | 4 | Ványa Domonkos (2016)MATE - GEAC | 48.91R:0.83 | 04.13 | 111 | |
| 4 | 3 | Ványa László (2014)MATE - GEAC | 49.61R:0.82 | 04.83 | 106 | |
| 5 | 5 | Pál Flórián (2016)Kis-Pingvin SE | 55.04R:0.57 | 10.26 | 78 | |
| 6 | 6 | Szavéri Patrik (2015)Kőbánya Sport Club | 01:04.51R:0.79 | 19.73 | 48 | |
| 7 | 7 | Szeles Dominik Gergely (2017)Kőbánya Sport Club | 01:11.67R:0.61 | 26.89 | 35 |