World Marathon Majors champ Rita Jeptoo is under fire after failing a test for EPO in September.
Fresh off five marathon wins, Ben Bruce will run the Rock 'n' Roll Arizona 1/2 Marathon this weekend.
It's cold across much of the United States, but the running must go on.
London will reportedly be Radcliffe's final marathon of her career.
The lottery opens at noon on Thursday and closes Feb. 15.
Runners are invited to run Rock 'n' Roll races in Washington, D.C. and Mexico City on the same weekend.
Former Iowa State standout runner Dani Stack shares her harrowing story about her eating disorder.
Kipsang won the 2012 and 2014 editions of the race through England's capital.
Altra is raising the bar on shoe technology.
The November Project and other socially focused running formats are exploding in popularity.