| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | United States |
USA |
41.94 Q | |
| 2 | 1 | 2 | Great Britain & NI |
GBR |
42.03 Q | |
| 3 | 2 | 2 | France |
FRA |
42.13 Q | |
| 4 | 2 | 1 | Germany |
GER |
42.15 Q SB | |
| 5 | 3 | 2 | Jamaica |
JAM |
42.35 Q SB | |
| 6 | 3 | 1 | Switzerland |
SUI |
42.38 Q SB | |
| 7 | 4 | 2 | Canada |
CAN |
42.50 q NR | |
| 8 | 5 | 2 | Netherlands |
NED |
42.64 q | |
| 9 | 6 | 2 | Nigeria |
NGR |
42.70 SB | |
| 10 | 4 | 1 | Australia |
AUS |
42.75 | |
| 11 | 7 | 2 | Spain |
ESP |
42.77 SB | |
| 12 | 5 | 1 | Poland |
POL |
42.86 | |
| 13 | 6 | 1 | Italy |
ITA |
43.03 | |
| 14 | 8 | 2 | Trinidad and Tobago |
TTO |
43.99 | |
| 1 | Belgium |
BEL |
DQ | |||
| 1 | Côte d’Ivoire |
CIV |
DQ |