| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2558 | Antonio WATSON |  JAM | 44.22 | 0.165 | 
| 2 | 2349 | Matthew HUDSON-SMITH |  GBR | 44.31 | 0.151 | 
| 3 | 2989 | Quincy HALL |  USA | 44.37 PB | 0.192 | 
| 4 | 3018 | Vernon NORWOOD |  USA | 44.39 | 0.163 | 
| 5 | 2529 | Sean BAILEY |  JAM | 44.96 | 0.169 | 
| 6 | 2731 | HÃ¥vard Bentdal INGVALDSEN |  NOR | 45.08 | 0.199 | 
| 7 | 2842 | Wayde VAN NIEKERK |  RSA | 45.11 | 0.171 | 
| 2413 | Kirani JAMES |  GRN | DQ | 0.133 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 11.05 |  Wayde VAN NIEKERK |  RSA | 
| 200 m | 21.06 |  Matthew HUDSON-SMITH |  GBR | 
| 300 m | 31.97 |  Matthew HUDSON-SMITH |  GBR |