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Brian Metzler

Boulder-based Brian Metzler has run more than 75,000 miles in his life, competing in every distance from 50 meters to 100 miles, running the Rim-to-Rim-to-Rim run across the Grand Canyon and back several times, racing pack burros on many occasions and going up Colorado’s Longs Peak 20 times. In 2018, he ran the Great Wall of China, completed the Leadman series and ran a 100K in South Korea. He is the founding editor of Trail Runner and the author of “Kicksology: The Hype, Science, Culture and Cool of Running Shoes.”