| RK | LN | Name | Time | Gap | FINA | Q? |
|---|---|---|---|---|---|---|
| 1 | 4 | Rácz Botond (2013)Kecskeméti Junior Sport Nonprofit KFT. | 45.40R:0.58 | - | 142 | |
| 2 | 6 | Kalocsai Ákos (2013)MATE - GEAC | 46.61R:0.82 | 01.21 | 131 | |
| 3 | 7 | Megyeri Dávid (2013)Kecskeméti Junior Sport Nonprofit KFT. | 46.95R:0.8 | 01.55 | 128 | |
| 4 | 8 | Tóth Bence Tamás (2015)Kecskeméti Junior Sport Nonprofit KFT. | 47.16R:0.75 | 01.76 | 127 | |
| 5 | 1 | Takács György Martin (2014)Kőbánya Sport Club | 47.82R:0.74 | 02.42 | 121 | |
| 6 | 2 | Urbán Mirkó (2015)FTC | 48.79R:0.93 | 03.39 | 114 | |
| 7 | 3 | Deák Kristóf (2014)FTC | 49.33R:0.64 | 03.93 | 111 | |
| 8 | 5 | Molnár Erik Lehel (2015)FTC | 49.35R:0.65 | 03.95 | 110 |