Metabolic Acidosis (aka Bonking) on the Colorado Trail and Elsewhere

Mountain biking in Colorado
Mountain biking in the Tarryall Mountains

Ryan had never bonked before, at least in the metabolic shock overexertion sense of the word. When he started to bumble around and kept losing more and more of his edge, I knew that something was up and figured that’s what had happened. Not really realizing what was going on, he kept on trying to mountain bike further up the Colorado Trail, although with diminishing returns. The big patches of snow that still littered the trail, even though it was June, were probably a good thing since they ultimately turned us all around. His disrupted mental and physical state likely made the retreat more palatable to the 13-year-old, since he wasn’t one to be prone to turn around before his goal was reached, regardless of whatever difficulty he faced.

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