What it takes to run back-to-back 100 mile races | Jeff Browning's Western States / Hardrock Double

Jeff Browning took to the trails of San Luis Obispo as he prepared for the 2019 Western States/Hardrock Double. As a multiple time finisher of both, Jeff lays out what it takes to complete this legendary double. ** Since filming, the Hardrock 100 has been canceled due to avalanche warnings and his focus will shift towards Bear 100. Shop Men's Altra Footwear: https://www.runningwarehouse.com/catpage-ALTRAMS.html?from=...