Here's a quick look at who to watch during the last four days of the 2012 U.S. Olympic Trials.
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!
The men's 1500m race will be especially exciting.
The Endurance LIVE Gala and Awards Show, which took place on Saturday, March 10 in Los Angeles and honored the top athletes in endurance
In this video we catch up with Female Runner Of The Year Jenny Barringer Simpson at the 2012 Endurance Live Awards.
Jenny Simpson did as well.
She's racing the 1500m and 3000m in Albuquerque.
Jenny Simpson headlines in New York City.
The American champ won't be tweaking much in 2012.