The top four runners in each of the initial nine heats qualified for the second round. Those 36 runners competed in six heats in the second round, with the top two runners from each heat qualifying for the semifinals. There were two semifinals, and only the top three from each heat advanced to the final.
The event was won by Kenyan Seraphino Antao in 9.5 seconds, with the world record holder and favourite Canadian Harry Jerome finishing last, severely injured, in the final.[1]