| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Huszár Bálint (2015)MATE - GEAC | 48.80R:0.76 | - | 114 | |
| 2 | 5 | Juhász Dániel (2013)Monori Sport Egyes. | 49.16R:0.57 | 00.36 | 112 | |
| 3 | 3 | Zsidai Dániel (2016)FTC | 51.40R:0.84 | 02.60 | 98 | |
| 4 | 6 | Büki Norbert János (2016)FTC | 54.81R:0.69 | 06.01 | 80 | |
| 5 | 7 | Kardos Tibor Kristóf (2015)FTC | 54.86R:0.75 | 06.06 | 80 | |
| 6 | 2 | Megyeri Marcell (2014)Kecskeméti Junior Sport Nonprofit KFT. | 55.53R:0.77 | 06.73 | 77 | |
| 7 | 8 | Kertész Kolos (2014)Kecskeméti Junior Sport Nonprofit KFT. | 59.64R:0.89 | 10.84 | 62 | |
| 8 | 1 | Szavéri Patrik (2015)Kőbánya Sport Club | 01:06.18R:0.38 | 17.38 | 45 |