400 metre U20 Men, Heat:1 of 2 ; Official result since 12:09
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 3 | 342 | BATUHAN ARDA EROL | TUR | U20 | 52.20 | 716 P | ||
| 2 | 4 | 394 | MARKO BELJANSKI | SRB | U20 | 52.90 | 686 P | ||
| 3 | 5 | 256 | CONSTANTIN DINESCU | ROU | U20 | 54.00 | 640 P | ||
| 4 | 6 | 24 | LUKA IVICIC | BIH | U20 | 54.20 | 631 P |