Originally Posted by
big john
Must have been the humidity that got to them? That's quite a rate of attrition. I usually do ok with heat as long as I have enough water and am acclimated.
I am guessing it was a mix of heat and humidity and duration of ride. I suspect many of these riders are used to our typical weekend club rides of 50-65 miles. Maybe they did not eat and drink enough. I hope they learn for next time.