The Arizona XC Championships come to Southern Arizona on Saturday, September 26, 2026, with the Sonoran Shred at McKenzie Ranch Race Course in Vail. This purpose-built mountain bike venue sits within a 1,700-acre Pima County natural open-space park, with more than 99% of the property remaining natural desert. It was Southern Arizona's first park built with a dedicated competitive mountain bike loop. McKenzie Ranch is also a beautiful place to race. Sitting in the foothills of the southern Rincon Mountains, … Continue reading Sonoran Shred XC →