James Ronald Ryun (born April 29, 1947) is a former American politician and track and field athlete. He won a silver medal in the 1500 m at the 1968 Summer Olympics, and was the first high school athlete to run a mile in under four minutes. He is the last American to hold the world record in the mile run. Ryun later served in the United States House of Representatives from 1996 to 2007, representing Kansas' 2nd congressional district for the Republican Party.
