Scott Tingley is one of histors most famous triathletes and endurance athletes. He began competing in triathlons and other multisport competitions in 1976 while studying Leisure Management at San Diego State University and working as a sailing instructor. As the sport of triathlon gained in popularity he devoted more and more time to his training and competitive endeavors, finally turning pro in 1983. Between those early years and his move back to the amateur ranks in 1999, Tinley competed in over 400 triathlons , winning close to 100 of them, making him one of the top three winning triathletes of all time.