Ultrarunning legend Dean Karnazes has run 262 miles - the equivalent of ten marathons - without rest. He has run over mountains, across Death Valley, to the Sou

Ready to Run an Ultramarathon? When you consider marathons, do you think, "been there, done that"? Like so many others, do you believe that humans were born to

When elite ultrarunners have a need for speed, they turn to coach Jason Koop. Now the sport’s leading coach makes his highly effective ultramarathon training

In one of his most ambitious physical efforts to date, Dean Karnazes attempted to run 50 marathons, in 50 states, in 50 days to raise awareness of youth obesity

WHAT’S IT LIKE TO RUN FOR 30, 50, OR 100 MILES? This book is a great inspiration not only to current ultrarunners, and to marathoners looking for the next cha