The 1,500-meter world champion shares her thoughts heading into the Olympic Trials.
Learn more about 1,500-meter world champion Jenny Simpson of the United States!
Check out these great shots from the biggest show in endurance sports!
Many of the top endurance athletes in the world gathered in Los Angeles on Saturday.
Last summer she became the first American woman to win the world 1,500-meter championship since 1984.
She becomes the first American to win the event in 28 years.
Check out these great photos from PhotoRun.net!