High altitude and flat bars - A recipe for disaster at Leadville 100 if you don't follow the science
Briefly

Despite my past experiences at high altitudes, I underestimated the effects of the Leadville Trail 100 MTB's extreme elevation, finding it more challenging than anticipated.
I arrived at Leadville just 36 hours before the race, which wasn't enough time to acclimatize to the altitude's demanding conditions.
As I climbed Powerline before the race, an ocular migraine, a common reaction to high altitude, forced me to confront the severe challenges presented by the elevation.
The transition from Boulder to Leadville hit harder than I expected, revealing how the body reacts critically to sudden altitude changes.
Read at cyclingnews.com
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