Check out some of the action from the Big Apple!
The 2008 Olympian has a new PR in her sights for Sunday's race.
A familiar cast of racers, including defending champs Marcel Hug and Tatyana McFadden, will compete on Sunday.
Ryan Vail and Kara Goucher lead the crop of runners looking to earn a podium spot in the Big Apple.
The 2009 champion has some pointers for the thousands of runners who will line up on Staten Island this weekend.
Kennedy held the American record in three shorter-distance events before retiring in 2004.
With marathons happening every weekend this time of year, it's hard not to be inspired.
The race's one millionth finisher will cross the line Sunday in Central Park.
In many cases, running while pregnant is healthy, says one doctor.
We caught up with the 28-year-old ahead of Sunday's New York City Marathon.