Jimmie Johnson and Michael Waltrip among those participating.
America’s funniest actor is an avid runner and three-time marathon finisher.
Lots of celebrities run, but you’d never guess that these five celebrities have completed a marathon before. Really! Our first
Even musicians that tour the globe find time to run.
The troubled Hollywood actress recently became buddies with the two-time Olympian.
Former rapper has run the ING New York City Marathon every year since 1994.
The Real Housewives Star is ready to salsa through her hometown of Miami.
The Olympic bronze medalist joins actor Rob Riggle.
Check out these behind the scenes shots of actor Sean Astin!