This book answers a seminal question that every overweight person has asked themselves at one time or another: If I really buckled down and tried to get in shap

If you're already fit, now is the time to get ULTRAFIT! Cindy Whitmarsh, fitness expert and president of Ultrafit, Inc., has developed high-intensity workouts t

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