4x100 Metres Relay women
![PR OF CHINA]()
Beijing (National Stadium), PR OF CHINA 22 AUG 2015 - 30 AUG 2015
15th IAAF World Championships
Beijing (National Stadium), PR OF CHINA 22 AUG 2015 - 30 AUG 2015 First 3 in each heat (Q) and the next 2 fastest (q)
Heat 1 29 AUG 2015 12:00
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | |
|---|---|---|---|---|---|---|
| 1 | JAM | Jamaica |  JAM | 41.84 Q | WL | 0.151 |
| 2 | GBR | Great Britain & N.I. |  GBR | 42.48 Q | SB | 0.135 |
| 3 | CAN | Canada |  CAN | 42.60 Q | NR | 0.168 |
| 4 | RUS | Russia |  RUS | 43.09 q | 0.182 | |
| 5 | CHN | PR of China | CHN | 43.18 | 0.165 | |
| 6 | POL | Poland |  POL | 43.20 | SB | 0.159 |
| 7 | ITA | Italy |  ITA | 43.22 | SB | 0.160 |
| 8 | NGR | Nigeria |  NGR | 43.89 | 0.160 |
Heat 2 29 AUG 2015 12:08
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | |
|---|---|---|---|---|---|---|
| 1 | USA | United States |  USA | 42.00 Q | 0.135 | |
| 2 | TTO | Trinidad and Tobago |  TTO | 42.24 Q | NR | 0.149 |
| 3 | NED | Netherlands |  NED | 42.32 Q | NR | 0.158 |
| 4 | GER | Germany |  GER | 42.64 q | SB | 0.170 |
| 5 | BRA | Brazil |  BRA | 43.15 | 0.172 | |
| 6 | SUI | Switzerland |  SUI | 43.38 | 0.144 | |
| 7 | FRA | France |  FRA | 43.58 | SB | 0.143 |
| 8 | UKR | Ukraine |  UKR | 43.59 | 0.133 |