Here are five good ones. [ HuffPost Healthy Living ] a Ladies, raise your hand if you did a half marathon last year.
http://blogs.phillymag.com/bewellphilly/2013/08/05/checkup-5-awesome-virtual-personal-trainers/
http://blogs.phillymag.com/bewellphilly/2013/08/05/checkup-5-awesome-virtual-personal-trainers/
