The route for this year’s USA Pro Cycling Challenge in Colorado will be breath-taking, and we’re not talking about the scenery.
Route details for the Aug. 20-26 bicycle race reveal that cyclists will be pedaling above 12,000 feet — higher than any route in North America or Europe — three separate times.
Because of less air pressure at high altitudes, there’s 40% fewer oxygen molecules per breath than at sea level. Cyclists who haven’t acclimated to riding at high altitudes will be suffering. …
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