| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 3 | USA | United States |
USA |
41.82 Q |
| 2 | 1 | 1 | JAM | Jamaica |
JAM |
41.87 Q SB |
| 3 | 2 | 1 | FRA | France |
FRA |
42.25 Q SB |
| 4 | 2 | 3 | BRA | Brazil |
BRA |
42.29 Q AR |
| 5 | 3 | 1 | GER | Germany |
GER |
42.65 q SB |
| 6 | 1 | 2 | GBR | Great Britain & NI |
GBR |
42.75 Q |
| 7 | 3 | 3 | RUS | Russia |
RUS |
42.94 q SB |
| 8 | 2 | 2 | CAN | Canada |
CAN |
42.99 Q NR |
| 9 | 4 | 3 | TRI | Trinidad and Tobago |
TTO |
43.01 SB |
| 10 | 5 | 3 | POL | Poland |
POL |
43.18 SB |
| 11 | 3 | 2 | SUI | Switzerland |
SUI |
43.21 NR |
| 12 | 4 | 1 | NED | Netherlands |
NED |
43.26 SB |
| 13 | 5 | 1 | DOM | Dominican Republic |
DOM |
43.28 NR |
| 14 | 6 | 3 | COL | Colombia |
COL |
43.65 SB |
| 15 | 4 | 2 | ITA | Italy |
ITA |
44.05 |
| 16 | 7 | 3 | CHN | PR of China |
CHN |
44.22 |
| 2 | UKR | Ukraine |
UKR |
DQ | ||
| 2 | BAH | Bahamas |
BAH |
DQ | ||
| 1 | NGR | Nigeria |
NGR |
DQ |