See what some of the best athletes from the track, roads and trail want to accomplish this year.
There are eight men with sub-2:06 credentials, 12 women with sub-2:24 marks.
Olympians Keflezighi, Ritzenhein, Flanagan, Hastings, Davila, amongst others, announced today.
Take a look back at the exciting 2013 season and see who we named the top runners of the year.
We relive their humorous rivalry video from 2010.
The two-time Olympian will be moving back to Boulder, Colo., on Jan. 1.
She set a world's best 12K time last weekend in Alexandria, Virginia.
Huddle and Flanagan notched the two fastest 12K road running performances in history.
Shalane Flanagan, Molly Huddle and Emily Infeld will lead the way in the inaugural event.
There were some fast races on the day before the New York City Marathon!