Chris Mosier is an American transgender advocate, triathlete, and speaker. Mosier is a transgender man. Mosier began competing in triathlon in 2009 as female. In 2010, Mosier publicly self-identified as a transgender man in a leading American gay magazine, The Advocate, after competing in his first race as male. In 2011, Mosier was featured in The New York Times prior to competing in the Nautica New York City Triathlon, a race he competed in two years prior as female. Mosier is the founder of transathlete.com, a resource for students, athletes, coaches, and administrators to find information about trans* inclusion in athletics at various levels of play. Mosier also blogs for Original Plumbing, a magazine for trans men. 

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