James Witts has a background in sports science and has three books, including "The Science of the Tour de France," "Training Secrets of the World's Greatest Footballers" and "Riding with the Rocketmen." He's a regular writer for numerous magazines, including Rouleur, Cyclist, Men's Health, GQ and Runner's World, and is the editor of the Official Guide to the Tour de France. He sometimes practices what he preaches, competing (rather slowly) in endurance events around the world including gravel races in Finland, triathlons in the United Arab Emirates and marathons in his homeland of England.
