Check out the scene in New York City during the annual NYRR half marathon
Great Britain's Mo Farah causes a stir with a mid-race fall in Central Park
The race is shaping up to be an exciting one, with several Olympic and world championship medalists in the field.
Female runners steal the show in the Big Apple.
31-year-old American finished fourth in the 2012 race.
The U.S. Olympian is hoping to build on the momentum of last year.
The four-time Olympian is confident heading into his 13.1-mile debut.
Expect some fast times in the Big Apple this weekend.
He is still scheduled to complete the Boston Marathon next month.
For starters, she took second at the U.S. Half Marathon Championships last year.