The running marketplace has been and still is mostly run by industry giants. Nike, New Balance, adidas, ASICS and similar brands dominate. However, smaller running-specific brands are entering the playing field with one-of-a-kind products, innovative ideas and quality, purpose-driven gear. They’re setting trends as opposed to following them. They’re expanding the definition of running. In this age of startups, we profile six of the most influential micro-level running brands and the entrepreneurs who founded them, and what they have to offer the sport that’s game-changing.