You Asked: What's the 10 Percent Rule?
Dear Fit, I signed up for a marathon in the Fall, but since I'm used to running only about three miles now, it means I'm going to have to start increasing the distance for my runs. A runner friend mentioned that I need to follow the 10 percent rule to prevent overexerting or injuring myself. I read about it, but it's a little confusing, and I'm not sure how to implement it into my training. Can Read more









