sentences:  She won the 200-meter race at the U.S. Olympic trials in 1948, making her one of nine black American female track athletes to compete at the London Games.She was 22 when she won her Olympic medal, covering the 200 meters in 25.2 seconds, the same time as Shirley Strickland of Australia.It took officials 45 minutes to decide that Miss Patterson would get the bronze medal; Strickland was placed fourth.