2011 World Championships in Athletics – Men's 4 × 100 metres relay

The Men's 4 × 100 metres relay event at the 2011 World Championships in Athletics was held at the Daegu Stadium on 4 September. USA won the first semi-final with deliberate handoffs, setting the world leader. France followed them into the final. The second semi-final was won by Trinidad and Tobago, ahead of favored Jamaica. Saint Kitts and Nevis set their national record in making the time qualifier in third. The third semi-final was much closer as Great Britain led Poland, with Italy making the final time qualifier.

2011 World Championships in Athletics – Men's 4 × 100 metres relay

The Men's 4 × 100 metres relay event at the 2011 World Championships in Athletics was held at the Daegu Stadium on 4 September. USA won the first semi-final with deliberate handoffs, setting the world leader. France followed them into the final. The second semi-final was won by Trinidad and Tobago, ahead of favored Jamaica. Saint Kitts and Nevis set their national record in making the time qualifier in third. The third semi-final was much closer as Great Britain led Poland, with Italy making the final time qualifier.