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Welcome to Dean Karnazes' Official PlayBetter.com Page!

Everything about the most influential ultramarathoner of all-time! His writing, his favorite products and what he's up to right now.

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Any purchases made on PlayBetter.com using promo code "DEAN" will receive a free copy of Ultramarathon Man + a portion of profit will support Dean's Charity of Choice.

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Who is Dean Karnazes?

Who is Dean Karnazes?

Named by TIME magazine as one of the “100 Most Influential People in the World,” Dean Karnazes has pushed his body and mind to inconceivable limits. Among his many accomplishments, he has run 50 marathons, in all 50 US states, in 50 consecutive days. He’s run across Death Valley in the middle of summer, and he’s run a marathon to the South Pole.

On ten separate occasions he’s run a 200-mile relay race solo, racing alongside teams of twelve. His list of competitive achievements include winning the World’s Toughest Footrace, the Badwater Ultramarathon, and winning the 4 Deserts Challenge, racing in the hottest, driest, windiest and coldest places on earth.

Dean has now partnered with PlayBetter.com in his continued effort to spread his active lifestyle messages across the world!

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Dean's Latest Blog posts

  • Marathoner Dean Karnazes running up a hill of golden grass with the coast and ocean below and behind him
    July 18, 2023 Dean Karnazes

    Ode to Marathon

    NY Times bestselling author and Ultramarathon Man, Dean Karnazes, knows why we charge into the abyss of the marathon—and what it takes and means to do it.
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Best-Selling Author, Columnist & Active-Lifestyle Evangelist

Best-Selling Author, Columnist & Active-Lifestyle Evangelist

A NY Times bestselling author, Dean is a frequent speaker and panelist at many running and sporting events worldwide. He's also a columnist at Runners' World and Outdoor Magazines.

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Recipient of the President’s Council on Sports, Fitness and Nutrition Lifetime Achievement Award and one of TIME magazine’s 100 Most Influential People in the World.

About Dean Karnazes