Past champions and multiple Olympic medalists are listed amongst the top entrants.
It's the most wonderful time of the racing year.
Olympians and up-and-comers will battle it out at the New York City Marathon.
The American men are officially "back" in the distance events.
The Ethiopian closed with a blistering final lap, winning by over 5 seconds to cap off the first day of competition.
Check out these great shots from the first day of track action!
Can Team USA win more medals than it did in 2008?
The 10,000 specialist is having the time of her life.
See what Amy Hastings had to say after her big victory in the 10,000 at the U.S. Olympic Trials.
Most runners appear to be relaxing in the lead-up to the Games.