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McKenzie Frenzy Mt Bike Race

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Time: Waves start heading out at 9:00 AM. Riders must be on-site and ready to go by no later than 8:15 AM.


Join Sonoran Desert Mountain Bicyclists for the 2nd Annual McKenzie Frenzy on Saturday, December 14, 2019! All proceeds benefit trail projects in Tucson and Southern Arizona. This year the Frenzy will be even bigger, with more riders, addition of a 50-mile Endurance class, and on-site camping. Stay tuned for more details! Youth ages 16 and under must be accompanied by a responsible adult.