Founded in 2026, and brought to you by The Greater Yellowstone Adventure Series and CrossFit StoneFly, THE IMPOSSIBLE MILE is an Independence Day workout tradition in cowboy town Ennis, Montana, engaging both residents and visitors alike. We laugh together, and cry together, as we take on versions of this famous workout. Come join us and build strength, character, and common purpose. A portion of the proceeds benefits the local Ennis schools via the Ennis Booster Club. Thank you for your generosity.