| POS | BIB | Team | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | JAM | Jamaica |
JAM
|
42.50 Q WL | |
| 2 | CAN | Canada |
CAN
|
42.94 Q SB | |
| 3 | NGR | Nigeria |
NGR
|
43.56 q SB | |
| 4 | BAH | Bahamas |
BAH
|
44.11 SB | |
| 5 | IRL | Ireland |
IRL
|
45.38 SB | |
| GER | Germany |
GER
|
DNF | ||
| POL | Poland |
POL
|
DNF |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 300m | 32.00 |
Jamaica
|
JAM
|
| POS | BIB | Team | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | USA | United States |
USA
|
42.63 Q SB | |
| 2 | TTO | Trinidad and Tobago |
TTO
|
42.87 Q SB | |
| 3 | PUR | Puerto Rico |
PUR
|
44.35 SB | |
| 4 | VEN | Venezuela |
VEN
|
44.42 SB | |
| 5 | CHN | PR of China |
CHN
|
44.45 SB | |
| 6 | SWE | Sweden |
SWE
|
44.81 SB | |
| ITA | Italy |
ITA
|
DNF |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 300m | 32.32 |
United States
|
USA
|
| POS | BIB | Team | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | BRA | Brazil |
BRA
|
42.94 Q SB | |
| 2 | GBR | Great Britain & NI |
GBR
|
43.60 Q SB | |
| 3 | SUI | Switzerland |
SUI
|
43.68 q SB | |
| 4 | ECU | Ecuador |
ECU
|
44.24 SB | |
| 5 | KAZ | Kazakhstan |
KAZ
|
44.27 SB | |
| 6 | AUS | Australia |
AUS
|
45.17 | |
| JPN | Japan |
JPN
|
DQ R170.7 | ||
| FRA | France |
FRA
|
DNF |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 300m | 32.63 |
Brazil
|
BRA
|