1911 Broke 3 freestyle world records in Hawaii’s first ever AAU swim meet, and Duke’s first races, in Honolulu Harbor
1912 Stockholm Olympics –swimming for the USA, he won Hawaii’s first Olympic gold medal for 100-meter freestyle, and a silver medal for the 4×200-meter freestyle relay
1912 Popularized surfing on the USA Atlantic Coast
1914-1915 Won the Australian National Swimming Championship and popularized surfing in Australia
1915 Re-introduced surfing to New Zealand
1913-1929 Helped popularize swimming and surfing in California
1918 Swam in exhibitions in about 30 US and Canadian cities to boost morale and raise money for Liberty Bonds for the US military in World War 1. Boosted swimming’s popularity and reinforced Hawai’i’s supremacy in water sports
1912-1922 Won countless races, set an unaccountable number of records amassing a trove of medals and trophies as the reigning world champion
1920 Recommended surfing as an Olympic event
1920 At Antwerp Olympics won two gold medals in 100-meter freestyle and 4×200-meter freestyle relay. He was 8 years older but his new world record was faster than his 1912 victory
1924 Paris Olympics; silver medal in 100-meter freestyle race won by “Tarzan” Johnny Weissmuller. Brother Sam won the bronze
1922-1929 Helped make Southern California a water sports mecca while living in Los Angeles and as a member of the Los Angeles Athletic Club. Worked for movie studios, playing minor roles in about 30 silent movies.
1925 Heroic surfboard rescue of 8 drowning fishermen at Corona del Mar, California