| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | USA | United States |  USA | 37.87 Q WL | 0.135 | |
| 2 | GBR | Great Britain & NI |  GBR | 38.49 Q | 0.162 | |
| 3 | GHA | Ghana |  GHA | 38.58 Q SB | 0.134 | |
| 4 | GER | Germany |  GER | 38.83 | .822 | 0.147 | 
| 5 | CHN | PR of China |  CHN | 38.83 SB | .825 | 0.138 | 
| 6 | NED | Netherlands |  NED | 39.07 | 0.260 | |
| NGR | Nigeria |  NGR | DQ | 0.123 | ||
| JPN | Japan |  JPN | DQ | 0.112 | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100m | 10.31 |  United States |  USA | 
| 200m | 19.57 |  United States |  USA | 
| 300m | 28.83 |  United States |  USA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | FRA | France |  FRA | 38.09 Q SB | 0.128 | 
| 2 | CAN | Canada |  CAN | 38.10 Q SB | 0.148 | 
| 3 | RSA | South Africa |  RSA | 38.31 Q SB | 0.135 | 
| 4 | JAM | Jamaica |  JAM | 38.33 q SB | 0.135 | 
| 5 | BRA | Brazil |  BRA | 38.41 q SB | 0.110 | 
| 6 | ESP | Spain |  ESP | 38.70 SB | 0.122 | 
| 7 | ITA | Italy |  ITA | 38.74 SB | 0.134 | 
| DEN | Denmark |  DEN | DNF | 0.121 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100m | 10.48 |  Jamaica |  JAM | 
| 200m | 19.56 |  Canada |  CAN | 
| 300m | 29.02 |  France |  FRA |