James Witts

James Witts

Live Science Contributor

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.

Latest articles by James Witts

A young Chinese girl in a helmet waves the country's flag and smiles

At what age does athleticism peak in different sports?

By James Witts published

The Paris Olympics welcome the strongest, fastest and sharpest athletes in the world. But to what extent does age raise or lessen their chances of gold?

Exercise
Photo of seven elite cyclists in uniforms biking down a road; most are in UAE uniforms

'We're proving that this is a new door to understand cancer better': Tour de France coach Iñigo San Millán on what elite cyclists could reveal about cancer biology

By James Witts published

Cancer researcher Iñigo San Millán is also a coach to Tadej Pogačar, a favorite to win this year's Tour de France. In this interview, San Millán discusses his work in both arenas.

Exercise