Danny Abshire is the cofounder of Newton Running, a Boulder, Colorado, company that makes shoes that promote an efficient midfoot/forefoot running gait. He has been making advanced footwear for runners and triathletes for more than 20 years. Brian Metzler is a senior editor at Running Times magazine, a running coach, and a former collegiate track runner. He is an award-winning journalist who has written about various topics in running and conducted running shoe wear testing for magazines since the late 1990s. He was also the founding editor of Trail Runner magazine in 1999.
Brian Metzler has run more than 50,000 miles in his life, tested more than 750 pairs of running shoes, and raced just about every distance from 50 yards to 100 miles. He is Editor-in-Chief of Competitor magazine and was the founding editor of TrailRunner and Adventure Sports magazines and was Senior Editor for Running Times. Metzler has written about endurance sports for Runner's World, Triathlete, Inside Triathlon, Men's Health, Men's Journal, and Outside. He is the author of Running Colorado's Front Range and co-wrote Natural Running with Danny Abshire and Run Like a Champion with Alan Culpepper.