Mackenzie Havey is an author and her work has appeared in Runner's World, SELF, Triathlete, TheAtlantic.com, ESPN.com, OutsideOnline.com, and elsewhere. In addition to completing 14 marathons and an Ironman triathlon, she is a USA Track & Field-certified coach, an instructor in the Physical Activity Program in the School of Kinesiology at the University of Minnesota, and has completed training in Mindfulness-Based Stress Reduction.