Flatirons Running carries advanced hydration systems in Boulder. You’ll stay on course and hydrated through your entire run. We carry the apparel and accessories you are looking for. Brands include Adidas, Hoka One One, New Balance, Saucony and many more. Custom insoles will transform your run. We’ll observe how your feet hit the ground while standing, walking and running. Then we make your insoles, for a completely new level of support. Make new running friends at a Wednesday Fun Run. Explore the trails and paths of South Boulder with us. Free pizza, refreshments and raffle prizes after the run. Flatirons Running is your complete running store. We are all runners, and we use what we sell!

Flatirons Running
629 S Broadway St, Suite E
Boulder, CO 80305