Results of men's 4x100 meters relay heats at athletics worlds

Following are the men's 4x100 meters relay heats results at the world athletics championships here on Saturday:

Heat 1

1. United States, 37.91 Q

2. Britain, 38.20 Q

3. Germany, 38.57 Q

4. Japan, 38.60

5. Ukraine, 38.79

6. Bahamas, 38.96

Brazil, DNF

Heat 2

1. Jamaica, 37.41 Q

2. France, 37.88 Q

3. China, 37.92 Q

4. Antigua and Barbuda, 38.01 q

5. Canada, 38.03 q

6. Netherlands, 38.41

South Africa, DNF

Endi