| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 670 | Martin Manley | 
 JAM                 | 
                47.14 | 
| 2 | 2 | 1 | 584 | Benjamin Lobo Vedel | 
 DEN                 | 
                47.27 | 
| 3 | 1 | 2 | 613 | Gemechu Alemu | 
 ETH                 | 
                47.42 PB | 
| 4 | 1 | 3 | 546 | Karabo Sibanda | 
 BOT                 | 
                47.43 | 
| 5 | 2 | 2 | 529 | Henri Delauze | 
 BAH                 | 
                47.44 | 
| 6 | 2 | 3 | 688 | Ian Mutuku | 
 KEN                 | 
                47.56 | 
| 7 | 3 | 3 | 549 | Anderson Cerqueira | 
 BRA                 | 
                48.07 | 
| 8 | 3 | 1 | 603 | Jesús Serrano | 
 ESP                 | 
                48.13 | 
| 9 | 4 | 3 | 520 | Michael Mullett | 
 AUS                 | 
                48.24 | 
| 10 | 5 | 3 | 748 | Ezequiel Suárez | 
 PUR                 | 
                48.53 PB | 
| 11 | 3 | 2 | 796 | Kashief King | 
 TTO                 | 
                48.66 | 
| 12 | 4 | 2 | 782 | Vitsanu Phosri | 
 THA                 | 
                48.96 | 
| 13 | 4 | 1 | 818 | Andrew James | 
 USA                 | 
                49.06 | 
| 14 | 5 | 1 | 691 | Mingi Choi | 
 KOR                 | 
                49.30 | 
| 15 | 6 | 1 | 641 | Jason Yaw | 
 GUY                 | 
                49.41 | 
| 16 | 6 | 3 | 738 | Pawel Chmiel | 
 POL                 | 
                49.42 | 
| 17 | 5 | 2 | 790 | Tzu-Yao Chou | 
 TPE                 | 
                50.01 | 
| 18 | 7 | 1 | 648 | Mohammadreza Rahmani | 
 IRI                 | 
                50.37 | 
| 19 | 7 | 3 | 824 | Tikie Terry Mael | 
 VAN                 | 
                50.40 PB | 
| 20 | 6 | 2 | 580 | Harold Estiven Maturana | 
 COL                 | 
                51.35 | 
| 21 | 7 | 2 | 765 | Malolefoua Hercules Posini | 
 SAM                 | 
                52.55 |