He first started in Amateur Athletic Union (AAU) swimming event held in hawaii. Kahanamoku won the swimming race, the time of 55.4 seconds.He swam the 50-yard swimming by the time of 24.2 seconds, it tied up with the world record.The AAU was surprised on how fast he was at a young adult age. He focused on making the U.S Olympic Men’s swimming Team. Duke was set to compete in the Stockholm for the 1912 games. Then U.S moved on to the qualifying meet in Philadelphia for 100-meter freestyle, Duke swept the field by the time of 60 seconds. Once again in 1920 Olympic games in Antwerp, Belgium, Kahanamoku made it to the U.S Team again. He participated in the 100-meter and the 800-meter freestyle swimming. Duke was a 30 year old swimming in the Olympic Games, but set another world record. 61.4 seconds but he again proved himself mastery of this sport and made 60.4 seconds the 800-meter freestyle swimming
He first started in Amateur Athletic Union (AAU) swimming event held in hawaii. Kahanamoku won the swimming race, the time of 55.4 seconds.He swam the 50-yard swimming by the time of 24.2 seconds, it tied up with the world record.The AAU was surprised on how fast he was at a young adult age. He focused on making the U.S Olympic Men’s swimming Team. Duke was set to compete in the Stockholm for the 1912 games. Then U.S moved on to the qualifying meet in Philadelphia for 100-meter freestyle, Duke swept the field by the time of 60 seconds. Once again in 1920 Olympic games in Antwerp, Belgium, Kahanamoku made it to the U.S Team again. He participated in the 100-meter and the 800-meter freestyle swimming. Duke was a 30 year old swimming in the Olympic Games, but set another world record. 61.4 seconds but he again proved himself mastery of this sport and made 60.4 seconds the 800-meter freestyle swimming