| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | USA | United States |
USA
|
42.46 Q | |
| 2 | TTO | Trinidad and Tobago |
TTO
|
42.75 Q SB | |
| 3 | SUI | Switzerland |
SUI
|
42.82 Q | |
| 4 | NED | Netherlands |
NED
|
43.01 | |
| 5 | KAZ | Kazakhstan |
KAZ
|
43.79 | |
| 6 | DEN | Denmark |
DEN
|
43.92 | |
| FRA | France |
FRA
|
DQ | ||
| AUS | Australia |
AUS
|
DNF |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | JAM | Jamaica |
JAM
|
42.11 Q SB | 0.172 |
| 2 | GBR | Great Britain & NI |
GBR
|
42.25 Q SB | 0.130 |
| 3 | CHN | PR of China |
CHN
|
42.36 Q | 0.155 |
| 4 | GER | Germany |
GER
|
42.82 q | 0.158 |
| 5 | ITA | Italy |
ITA
|
42.90 q NR | 0.154 |
| 6 | NGR | Nigeria |
NGR
|
43.05 SB | 0.171 |
| 7 | GHA | Ghana |
GHA
|
43.62 SB | 0.143 |
| BRA | Brazil |
BRA
|
DQ | 0.139 |