2007 World Championships in Athletics – Men's 100 metres

The 100 metres at the 2007 World Championships in Athletics was held at the Nagai Stadium on August 25 and August 26.

Heats
Qualification: First 3 in each heat (Q) and the next 8 fastest (q) advance to the quarterfinals.

Quarterfinals
First 4 of each Heat directly qualified (Q) for the Semifinals.

Semifinals
First 4 of each Heat directly qualified (Q) for the Final.