400m Men Junior A+B, Heat:1 of 2 ; Official result since 20:06
| Rank | Lane | ID | Name | PB | Team | Cat | Result | Info | Video |
| 1 | 3 | 590 | Grobler Joshua | USA | JUN | 52.61 | |||
| 2 | 6 | 508 | Donner Jayden | AUS | JUN | 53.23 | |||
| 3 | 4 | 545 | Clement Jacob | GBR | JUN | 53.33 | |||
| 4 | 1 | 528 | Shapiro Benjamin | CAN | JUN | 58.87 | |||
| 5 | 5 | 540 | Wyrobnik Ariel | GER | JUN | 64.12 | |||
| 6 | 2 | 572 | Hasbiyik savarbego Ada | TUR | JUN | 66.28 | |||
| 7 | 7 | 571 | Gucel finanser Roy | TUR | JUN | 70.55 |