مؤلف: Roy Wallack

Roy M. Wallack is a Los Angeles Times health and fitness columnist and former editor of Triathlete and Bicycle Guide magazines. A participant some of the world's toughest running, cycling, and multisport events, including the Boston Marathon, Badwater Ultra Marathon, Eco-Challenge, La Ruta de los Conquistadores, and Trans Rockies Run, he finished second in the World Fitness Championship in 2004. Wallack has written for Outside, Men's Journal, Runner's World, Competitor, Bicycling, Mountain Bike, and authored The Traveling Cyclist: 20 Worldwide Tours of Discovery (1991) and Bike for Life: How to Ride to 100 (2005), an athletic longevity plan for cyclists.