Athletics at the 2010 South American Games – Men's 100 metres

The Men's 100m event at the 2010 South American Games was held on March 20, with the heats at 12:10 and the Final at 19:40.

Results
Results were published.

Heat 1
†: Not eligible for the South American Under-23 Championships.

Final
†: Not eligible for the South American Under-23 Championships.