Mary Cain author biography, plus links to books by Mary Cain.

Mary Cain

Mary Cain is a professional runner and advocate for mental health in sports. At age seventeen, she became the youngest American athlete to represent the US at the track and field World Championships. She is also the founder of Atalanta NYC, which mentors underserved girls in the Bronx through running. Cain is a graduate of Fordham University and currently attends Stanford Medical School.

This biography was last updated on 04/28/2026.

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