Long distance runner Dean Karnazes joins the show to discuss his new book, “50/50: Secrets I Learned Running 50 Marathons in 50 Days — and How You Too Can Achieve Super Endurance.”
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Long distance runner Dean Karnazes joins the show to discuss his new book, “50/50: Secrets I Learned Running 50 Marathons in 50 Days — and How You Too Can Achieve Super Endurance.”