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Special Feature: The Toughest Trail Race in the World

Brutal. Terrifying. Inhuman. The organizers of the Barkley Marathons don't care what you call the toughest trail-running competition in the world, as long as you don't finish it.

by Charlie EnglePublished: Mar 10, 2016 8:35 AM EST

RW Selects Notorious

Nathan Fox

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RW Selects Notorious

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