Perfect for anything from a speed day to a marathon, the next generation of our acclaimed racer features a new gender-tuned enhanced fit and sustainable construction to help bring new meaning to speeding towards tomorrow. An average shoe can take over 40 years to biodegrade, our Distance 10 is specially treated to break down into nontoxic biomass & biogas up to 75% quicker in landfills while not compromising quality or performance in any way. Run these shoes into the ground, Mother Earth will thank you for it.