| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2019 | 
|---|---|---|---|---|---|
| 2 | CHN | PR of China |  CHN | 42.23 | 42.87 | 
| 3 | UKR | Ukraine |  UKR | 42.04 | |
| 4 | RSA | South Africa |  RSA | 43.25 | 44.92 | 
| 5 | POL | Poland |  POL | 42.68 | |
| 6 | JPN | Japan |  JPN | 43.39 | 44.89 | 
| 7 | USA | United States |  USA | 40.82 | 42.77 | 
| 8 | BRA | Brazil |  BRA | 42.29 | 44.69 | 
| 9 | TTO | Trinidad and Tobago |  TTO | 42.03 | 45.11 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2019 | 
|---|---|---|---|---|---|
| 3 | CAN | Canada |  CAN | 42.60 | 44.37 | 
| 4 | GBR | Great Britain & NI |  GBR | 41.77 | |
| 5 | GHA | Ghana |  GHA | 42.67 | |
| 6 | THA | Thailand |  THA | 43.38 | 43.99 | 
| 7 | DEN | Denmark |  DEN | 44.09 | |
| 8 | FRA | France |  FRA | 41.78 | 46.76 | 
| 9 | NGR | Nigeria |  NGR | 42.39 | 45.56 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2019 | 
|---|---|---|---|---|---|
| 2 | GER | Germany |  GER | 41.37 | |
| 3 | KAZ | Kazakhstan |  KAZ | 42.92 | 43.36 | 
| 4 | ITA | Italy |  ITA | 43.04 | |
| 5 | IRL | Ireland |  IRL | 43.80 | |
| 6 | CZE | Czech Republic |  CZE | 42.98 | |
| 7 | JAM | Jamaica |  JAM | 41.07 | 43.19 | 
| 8 | ECU | Ecuador |  ECU | 43.88 | 44.88 | 
| 9 | AUS | Australia |  AUS | 42.99 | 45.68 |