Uploaded September 2026 | Updated September 2026, 3 hours ago
Calum Marsh is a writer, reporter, and editor who specializes in art, culture, and sports.
A regular contributor to The New York Times, his writing has also appeared in The New Yorker, The Guardian, The Atlantic, Playboy, Esquire, GQ, The New Republic, and New York Magazine, among others.
He has covered the world of functional fitness for many years and his latest book, "The Glass Box: The Shocking True Story of How CrossFit Broke the Rules, Made Millions, and Changed Fitness Forever" will be released by HarperCollins worldwide on October 27th, 2026.
Calum Marsh is a writer, reporter, and editor who specializes in art, culture, and sports.
A regular contributor to The New York Times, his writing has also appeared in The New Yorker, The Guardian, The Atlantic, Playboy, Esquire, GQ, The New Republic, and New York Magazine, among others.
He has covered the world of functional fitness for many years and his latest book, "The Glass Box: The Shocking True Story of How CrossFit Broke the Rules, Made Millions, and Changed Fitness Forever" will be released by HarperCollins worldwide on October 27th, 2026.
