| POS | BIB | Team | COUNTRY | MARK | Points | Reaction Time |
|---|---|---|---|---|---|---|
| 1 | JAM | Jamaica |
JAM
|
42.14 WL | 8 | 0.154 |
| 2 | USA | United States |
USA
|
42.32 SB | 7 | 0.173 |
| 3 | GBR | Great Britain & NI |
GBR
|
42.84 SB | 6 | 0.132 |
| 4 | CAN | Canada |
CAN
|
42.85 SB | 5 | 0.155 |
| 5 | TTO | Trinidad and Tobago |
TTO
|
42.88 | 4 | 0.162 |
| 6 | BRA | Brazil |
BRA
|
42.92 SB | 3 | 0.141 |
| 7 | NGR | Nigeria |
NGR
|
42.99 SB | 2 | 0.154 |
| 8 | SUI | Switzerland |
SUI
|
43.74 | 1 | 0.152 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 300m | 32.14 |
Jamaica
|
JAM
|
| 300m | 32.14 |
United States
|
USA
|