Event Format: The competition was a single elimination tournament with a special repechage tournament for the bronze medals. Athletes competed in preliminary rounds, quarterfinals, semifinals and final. The winner of the final was the Gold medal winner and the loser of the final received the silver medal. Each athlete who had lost to a semifinalist competed in the repechage tournament for the right to face a semifinal loser for a bronze medal. The winners of the two final repechage matches received bronze medals.
Event facts: Men's Lightweight competition was held at the Beijing Science University Gymnasium and 32 athletes participated in the event.