The men's 100 metre freestyle was a swimming event held as part of the swimming at the 1920 Summer Olympics programme. It was the fourth appearance of the event. A total of 31 swimmers from 15 nations competed in the event, which was held from August 22 to August 29, 1920. Nations were limited to four swimmers each. The United States swept the medals, and Duke Kahanamoku broke his own Olympic record in the semifinals and bettered his time again in the final to successfully defend his championship from 1912. Kahanamoku was the first man to successfully defend an Olympic 100 metres freestyle title and third man to win multiple medals of any color in the event. Men's 100 m freestyle at the 1920 Summer Olympics in Antwerp — the final on August 29, 1920. 🥇 Duke Kahanamoku (USA) · 🥈 Pua Kealoha · 🥉 Bill Harris Wiki link