| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | 
|---|---|---|---|---|---|---|
| 1 | 1 | 2 | JAM | Jamaica |  JAM | 37.71 Q CR | 
| 2 | 1 | 1 | GBR | Great Britain & NI |  GBR | 37.93 Q CR | 
| 3 | 2 | 1 | TTO | Trinidad and Tobago |  TTO | 38.09 Q SB | 
| 4 | 2 | 2 | BRA | Brazil |  BRA | 38.10 Q SB | 
| 5 | 3 | 2 | FRA | France |  FRA | 38.33 q SB | 
| 6 | 3 | 1 | JPN | Japan |  JPN | 38.34 q SB | 
| 7 | 4 | 1 | CUB | Cuba |  CUB | 38.44 SB | 
| 8 | 5 | 1 | NED | Netherlands |  NED | 38.52 SB | 
| 9 | 4 | 2 | POL | Poland |  POL | 38.60 SB | 
| 10 | 1 | 3 | GER | Germany |  GER | 38.62 Q SB | 
| 11 | 2 | 3 | CAN | Canada |  CAN | 38.70 Q SB | 
| 12 | 3 | 3 | SKN | Saint Kitts and Nevis |  SKN | 38.76 SB | 
| 13 | 4 | 3 | UKR | Ukraine |  UKR | 38.91 SB | 
| 14 | 5 | 2 | CHN | PR of China |  CHN | 39.00 SB | 
| 15 | 6 | 1 | AUS | Australia |  AUS | 39.21 SB | 
| 16 | 6 | 2 | BAR | Barbados |  BAR | 39.27 SB | 
| 17 | 7 | 2 | VEN | Venezuela |  VEN | 39.29 SB | 
| 18 | 7 | 1 | CAY | Cayman Islands |  CAY | 39.76 SB | 
| 3 | USA | United States |  USA | DQ R170.7 | ||
| 3 | BAH | Bahamas |  BAH | DQ R170.7 | ||
| 3 | NGR | Nigeria |  NGR | DNS |