i just did my first big group ride (80 people!), which ended with some 2hrs of riding in semi-hilly terrain, more than I am used to! I've been super sore, but also had to do a fast-paced mostly-uphill ride the other day as well, and now my legs are shot, even climbing stairs hurts, heh. But im taking it easy, eating a plenty, and I know in a day or two when I go for a longer ride again ill be blazing