Runners, cyclists, swimmers, rowers, triathletes, and ultradistance athletes must sustain performance at a high level to come out on top. Developing Endurance s

SERIOUS Training for Endurance Athletes provides the tools to create training programs and workouts that will pay off in competition. Endurance athletes, coache

Power, Speed, ENDURANCE is a highly effective training system that has catapulted thousands of endurance athletes to the next level. Developed by CrossFit Endur

“Welcome to what will undoubtedly be a whole new level of athleticperformance.”—Mark Allen, six-time winner of the Hawaii Ironman.

Authoritative yet accessible coverage of an area of growing importance.