A record-breaking morning in Texas.
An ultramarathon among the alligators in Texas.
More than 30,000 runners participated on the island of Oahu.
The prestigious ultramarathon gave runners a long look at the Bay Area's beauty.
The race featured perfect conditions and a star-studded half marathon field.
Some of the top high school cross country runners in the nation gathered in Portland.
A winter trail run just outside of Scottsdale, Arizona.
Photo Credit: Lester Cacho
The 10th annual race is one of the largest Thanksgiving Day races in the U.S.
One of the only half marathons with a qualifying standard.