This is one glorious side effect of training that no one seems to mention. Prevent the dreaded burn with a maternity bra, Clayton says. "This is a tip I got from an Olympic marathon runner—she would wear a maternity bra to keep "the girls" in place for long runs."
The nursing gel pads you can buy that slip inside a maternity bra will help prevent chafing. And if you didn't do this and are already suffering, the gel pads that you put in the refrigerator will soothe them back to health, Clayton says.