The 18 competitors first raced in three heats on September 26. The top three finishers from each of the heats advanced directly to the semifinals with the rest competing in the repechages.
Taking place on September 26, the top four finishers from the second repechage advanced to the semifinals. The first repechage was scheduled, but not held since there were only three competitors. One competitor was disqualified in the second repechage for reasons not disclosed in the official report.