Last year Perfect Supplements employee, Kristen, trained for her first marathon and ran the Disney marathon in January 2011. This month, Kristen and her sister and training partner, Kara, convinced me (64 year old, Alice) to train for my first running event ever, a 5K. We are using the Couch to 5K application that several people told us about. It is a training program designed for true beginners with no…