| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Belgium |
BEL
|
42.92 Q SB | |
| 2 | Great Britain & N.I. |
GBR
|
43.02 Q | |
| 3 | Brazil |
BRA
|
43.38 Q | |
| 4 | Nigeria |
NGR
|
43.43 q SB | |
| 5 | Poland |
POL
|
43.47 q | |
| 6 | Belarus |
BLR
|
43.69 SB | |
| Italy |
ITA
|
DQ | ||
| United States |
USA
|
DQ |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Jamaica |
JAM
|
42.24 Q SB | |
| 2 | Germany |
GER
|
43.59 Q | |
| 3 | PR of China |
CHN
|
43.78 | |
| 4 | Thailand |
THA
|
44.38 | |
| Russia |
RUS
|
DQ | ||
| Ukraine |
UKR
|
DQ | ||
| France |
FRA
|
DNF | ||
| Trinidad and Tobago |
TTO
|
DNF |