| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | GBR | Great Britain & NI |
GBR
|
41.99 Q WL | 0.121 |
| 2 | JAM | Jamaica |
JAM
|
42.37 Q SB | 0.154 |
| 3 | GER | Germany |
GER
|
42.44 Q SB | 0.142 |
| 4 | CHN | PR of China |
CHN
|
42.93 SB | 0.150 |
| 5 | CAN | Canada |
CAN
|
43.09 | 0.132 |
| 6 | POL | Poland |
POL
|
43.19 SB | 0.145 |
| 7 | JPN | Japan |
JPN
|
43.33 NR | 0.153 |
| 8 | IRL | Ireland |
IRL
|
44.48 | 0.183 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100m | 11.45 |
Jamaica
|
JAM
|
| 200m | 21.50 |
Great Britain & NI
|
GBR
|
| 300m | 32.04 |
Germany
|
GER
|
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time |
|---|---|---|---|---|---|---|
| 1 | USA | United States |
USA
|
41.56 Q WL | 0.134 | |
| 2 | ESP | Spain |
ESP
|
42.61 Q NR | 0.163 | |
| 3 | NGR | Nigeria |
NGR
|
42.68 Q SB | 0.143 | |
| 4 | ITA | Italy |
ITA
|
42.71 q NR | 0.160 | |
| 5 | SUI | Switzerland |
SUI
|
42.73 q | 0.151 | |
| 6 | NED | Netherlands |
NED
|
43.46 | .458 | 0.205 |
| 6 | DEN | Denmark |
DEN
|
43.46 NR | .458 | 0.147 |
| 8 | ECU | Ecuador |
ECU
|
44.17 SB | 0.172 |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100m | 11.44 |
Italy
|
ITA
|
| 200m | 21.35 |
United States
|
USA
|
| 300m | 31.71 |
United States
|
USA
|