Clara Horowitz Peterson grew up in Berkeley, California. Clara learned very early that her true love was running and became a four-time California state champion in cross-country and track, and a five-time all-American while at Duke University, where she attended undergrad. Clara married her college sweetheart, Jeff Peterson, who was a runner from university of North Carolina. After Clara's collegiate running career, Clara and Jeff moved to Marin County in California in 2007, where Clara ran as a professional runner in between having 4 four children. Clara also obtained her Masters in education in 2011 at the University of San Francisco and is passionate about teaching children, both her own and others, about health and building strong bones. Clara still lives in Marin County with her four children and husband, and is an ambassador for American Bone Health.