| POS | BIB | Team | COUNTRY | MARK | Points | Reaction Time |
|---|---|---|---|---|---|---|
| 1 | USA | United States |
USA
|
41.88 CR | 8 | 0.188 |
| 2 | JAM | Jamaica |
JAM
|
42.28 SB | 7 | 0.158 |
| 3 | TTO | Trinidad and Tobago |
TTO
|
42.66 | 6 | 0.162 |
| 4 | NGR | Nigeria |
NGR
|
42.67 SB | 5 | 0.171 |
| 5 | GBR | Great Britain & NI |
GBR
|
42.75 SB | 4 | 0.135 |
| 6 | GER | Germany |
GER
|
43.38 | 3 | 0.141 |
| 7 | BRA | Brazil |
BRA
|
43.67 | 2 | 0.185 |
| 8 | FRA | France |
FRA
|
43.76 | 1 | 0.159 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 300m | 31.70 |
United States
|
USA
|