<p>Cal meets the founder of Spartan, agrees to enter an obstacle race and brings in the amazing Lil Misty Diaz (on crutches!) to train him.</p>

Cal meets the founder of Spartan, agrees to enter an obstacle race and brings in the amazing Lil Misty Diaz (on crutches!) to train him.

Joe De Sena: Spartan Race Founder on Building Grit and Perseverance

As a bestselling author, speaker and one of the greatest interviewers of this generation, Cal Fussman has sat down with some of the world's most influential individuals: Muhammad Ali, Mikhail Gorbachev, Serena Williams, Jeff Bezos, Jack Welch, John Wooden, Al Pacino and hundreds of others, digging deep into their hearts and delivering their wisdom to the rest of the world. Now, in Big Questions, Cal continues his journey. Uncovering the heart, head, and soul of his guests in thoughtful, deep and entertaining conversations.

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Joe De Sena: Spartan Race Founder on Building Grit and Perseverance

Joe De Sena: Spartan Race Founder on Building Grit and Perseverance

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