Last weekend DH and I rode our usual schedule...a little slower due to the heat, but well within ourselves. However, we were both really sore Monday and into Tuesday. Much more so than the previous two weekends, even the weekend when we got pushed into going way too fast.

After reading this thread one difference jumped out--last weekend we tried to get out a 6AM to beat the heat. As such, we barely had 1/2 a cup of tea (usually we drink a pot between us). Hmm.....just as the article said....