These Legal Doping Strategies Are Reshaping Endurance Sports. Here's How They Can Make You Faster

Tom Evans, a UK-based ultrarunner, was on a flat stretch of trail near the halfway point of the 106-mile Ultra-Trail du Mont-Blanc (UTMB) course in Chamonix, France, when he realized he had a small lead on the rest of the pack. One minute to be exact. It wasn’t much and he knew it. 

“I thought to myself, I need to start fueling more now, rather than waiting till the time where I’m going to start working harder,” Evans says. 

So he took down a mix of high-carb drinks and gels and, an hour later...