Claim: Fred Sturdy was a pole vaulter who was also an outdoor champion (sports event organized by USA Track & Field) and indoor champion (organized by IC4A).
Evidence: Frederic Harry "Fred" Sturdy (January 25, 1908 – August 4, 1972) was an American pole vaulter. The USA Track & Field Outdoor Championships is an annual track and field competition organized by USA Track & Field, which serves as the American national championships for the sport. One of the first vaulters to clear 14 feet, Sturdy was U.S. outdoor champion in 1929 and 1930 and indoor champion from 1929 to 1932. Following the success of the outdoor meeting, an indoor championships was created in 1921.