| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | United States |  USA | 42.34 Q | |
| 2 | Jamaica |  JAM | 42.40 Q | |
| 3 | Germany |  GER | 42.81 Q | |
| 4 | Finland |  FIN | 43.63 q | |
| 5 | Chinese Taipei |  TPE | 44.59 | |
| 6 | Thailand |  THA | 44.85 | 
| POS | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|
| 1 | Russia |  RUS | 42.39 Q | |
| 2 | France |  FRA | 43.31 Q | |
| 3 | Cuba |  CUB | 43.48 Q | |
| 4 | Great Britain & N.I. |  GBR | 43.65 q | |
| 5 | Canada |  CAN | 44.36 |