| Order / Lane | ATHLETE | COUNTRY | PB | SB 1998 | 
|---|---|---|---|---|
| 1 | Amin Badany Goma'a |  EGY | 47.57 | 47.57 | 
| 2 | David Naismith |  GBR | 47.47 | 47.47 | 
| 3 | Marc Alexander Scheer |  GER | 47.27 | 47.27 | 
| 4 | Zizhou Xu |  CHN | 46.01 | 46.92 | 
| 5 | Jae-Da Kim |  KOR | 46.45 | 47.17 | 
| 6 | Andrew Pierce |  USA | 46.51 | 46.51 | 
| 7 | Fawzi Dahash Al Shammari |  KUW | 47.42 | 47.42 | 
| 8 | Liam Card |  CAN | 47.71 | 47.71 | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 1998 | 
|---|---|---|---|---|
| 1 | Simon Pierre |  TTO | 46.99 | 46.99 | 
| 2 | Fernando Augustin |  MRI | 47.31 | 47.31 | 
| 3 | Ousmane Niang |  SEN | 47.01 | 47.01 | 
| 4 | Alloy Wilson |  GBR | 46.81 | 46.81 | 
| 5 | Evanson Ndungu |  KEN | 47.04 | 47.04 | 
| 6 | Casey Vincent |  AUS | 46.64 | 46.87 | 
| 7 | Przemyslaw Dunaj |  POL | 48.08 | 48.08 | 
| 8 | Ruwen Faller |  GER | 47.08 | 47.08 | 
| Order / Lane | ATHLETE | COUNTRY | PB | SB 1998 | 
|---|---|---|---|---|
| 1 | Masayuki Okusako |  JPN | 47.37 | 47.37 | 
| 2 | LuÃs Freitas |  POR | 47.66 | 47.66 | 
| 3 | Hamdan Odha Al-Bishi |  KSA | 46.93 | 46.93 | 
| 4 | Tomas Coman |  IRL | 47.14 | 47.14 | 
| 5 | Tony Berrian |  USA | 47.06 | 47.06 | 
| 6 | Nduka Awazie |  NGR | 46.76 | 46.76 | 
| 7 | William Hernández |  VEN | 47.81 | 47.81 | 
| 8 | Daniel Batman |  AUS | 47.17 | 47.17 |