| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | GBR | Great Britain & NI |
GBR |
37.56 Q WL | |
| 2 | 1 | 2 | RSA | South Africa |
RSA |
37.65 Q AR | |
| 3 | 2 | 2 | JPN | Japan |
JPN |
37.78 Q SB | |
| 4 | 3 | 2 | CHN | PR of China |
CHN |
37.79 Q NR | |
| 5 | 4 | 2 | FRA | France |
FRA |
37.88 q SB | |
| 6 | 2 | 1 | BRA | Brazil |
BRA |
37.90 Q AR | |
| 7 | 5 | 2 | NED | Netherlands |
NED |
37.91 q NR | .901 |
| 8 | 6 | 2 | CAN | Canada |
CAN |
37.91 SB | .906 |
| 9 | 3 | 1 | USA | United States |
USA |
38.03 Q SB | |
| 10 | 4 | 1 | ITA | Italy |
ITA |
38.11 NR | |
| 11 | 5 | 1 | JAM | Jamaica |
JAM |
38.15 SB | |
| 12 | 7 | 2 | GER | Germany |
GER |
38.24 SB | .235 |
| 13 | 6 | 1 | GHA | Ghana |
GHA |
38.24 SB | .239 |
| 1 | TUR | Turkey |
TUR |
DQ | |||
| 2 | NGR | Nigeria |
NGR |
DQ | |||
| 1 | QAT | Qatar |
QAT |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second