Originally Posted by
genejockey
Today's ride, in an average temp of 72 degrees, I drank 2 x 24 oz bottles of Nuun hydration mix and weighed 3.6 lbs less than I started. That means I sweated and/or transpired 6.7 lbs in the course of 3 h 10 min.
The Hammer guideline (pictured above) is that a 2% weight drop is acceptable. I think I sometimes go over that on long rides & pay a performance penalty,
but I also wear a baselayer, so I don't have to sweat as much.
