Going Long With Dean Karnazes, Josh Cox & Ryan Hall

Listen in as Competitor’s Bob Babbitt moderates a discussion at the Endurance LIVE Consumer Show on January 22 with American Record Holder at 50K Josh Cox, the fastest ever American born marathoner (2:06:17) Ryan Hall and Dean Karnazes, the UltraMarathon Man who ran 50 marathons in 50 days in 50 states. Click on the image below to watch the discussion.