Sage Rountree holds a PhD in English and has been certified as a coach by USA Triathlon, USA Cycling, and the Road Runners Club of America. A frequent presenter at coaching conferences, she is an experienced athlete herself, having competed in running races from the 4 x 400m relay to the ultramarathon and in triathlons from the super sprint to the Ironman. She raced for Team USA at the 2008 Age-Group World Triathlon Championships. Her other books include "The Athlete's Guide to Yoga, The Athlete's Pocket Guide to Yoga, The Athlete's Guide to Recovery, " and "The Runner's Guide to Yoga." She writes on sports for "Yoga Journal" as the Active Yogi blogger, and on yoga for "Runner's World, USA Triathlon Life, " and many other publications. Sage lives with her husband and their two daughters in Chapel Hill, NC, where she co-owns the Carrboro and Durham Yoga Companies and enjoys the robust network of singletrack trail. Visit her online at sagerountree.com.