Mary Pilon (born 16 May 1986 in Eugene, Oregon) is an American journalist and filmmaker who primarily covers sports and business.

A regular contributor to the New Yorker and Bloomberg Businessweek,[1][2] her books are The Monopolists (2015), The Kevin Show (2018), Losers: Dispatches From the Other Side of the Scoreboard (2020, with Louisa Thomas), and The Longest Race, co-authored with Olympian Kara Goucher.

She has also worked as a staff reporter covering sports for The New York Times[3] and business at The Wall Street Journal and has also written and produced for Vice, Esquire, NBC News, among other outlets.

[12] At the Times, Pilon wrote "Tomato Can Blues," a true-crime story of Charles Rowan, an amateur cage fighter who faked his own death.

[14] Pilon's 2016 investigative reporting on sexual harassment in the trucking industry helped fuel a class action lawsuit by women truckers.

[19] At Vice, Pilon reported on legal issues faced by transgender high school athletes and at NBC News, how coaches accused of sexual abuse continued to work in sports.

Pilon spent more than five years investigating the game's origins, which date back to feminist Lizzie Magie and the Progressive Era.

[41] The book, released by Bloomsbury in March 2018, was a four-year culmination of reporting on Hall's delusions, the reality of being an Olympian, and an examination of mental illness.

"[46][47] In 2019, Pilon co-wrote and co-hosted a podcast on the USA Gymnastics sex abuse scandal with her Times colleague, Carla Correa, on Audible.