![]() ![]() Power is the rate at which cyclists burn energy and the energy they burn comes from the food they eat. ![]() The reason they're able to do what the rest of us can only dream of is that these athletes can produce enormous amounts of power. Only an elite few humans are capable of completing a Tour de France stage in a time that's measured in hours instead of days. But I still cannot fathom the physical capabilities needed to complete the world's most famous bike race. I am a sports physicist, and I've modeled the Tour de France for nearly two decades using terrain data – like what I described for Stage 17 – and the laws of physics. Manage Preferencesįrom Global Cycling Network, what do Tour de France riders eat for lunch? Please review their details and accept them to load the content. ![]() We need your consent to load this YouTube content We use YouTube to manage extra content that can set cookies on your device and collect data about your activity. And Stage 17 is just one of 21 stages that must be completed in the 23 days of the tour. On the fittest day of my life, I might not even be able to finish Stage 17, much less do it in anything remotely close to the five hours or so the winner will take to finish the ride. Over the next 40 miles (64 km) you would have to climb three mountain peaks with a net increase of a mile (1.6 km) in elevation. But you've yet to hit the fun part: the Hautes-Pyrénées mountains. First, you would bike approximately 70 miles (112 km) with a gradual increase in elevation of around 1,300 feet (400 m). Imagine you begin pedaling from the start of Stage 17 of this year's Tour de France. Analysis: Tour de France riders eat constantly to replenish the energy they burn, which can be nearly 6,000 calories per stageīy John Eric Goff, University of Lynchburg ![]()
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