Runner Academy with Matt Johnson: Achieve Your Running Goal | 5K | 10K | Half Marathon | Marathon
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RA010 | Dean Karnazes: UltraMarathon Man
Dean Karnazes has run across America in 75 days, run 50 marathons in 50 states in 50 days, won the Badwater Ultra-Marathon - a 135 mile race across Death Valley in 120°F heat, ran a marathon to the South Pole in temperatures of -40°F. He was the 2008 Ov