

Global Biorhythm Events is presenting the “Leave No Trace” Ultra-Endurance Mountain Bike Series in Northern California for the 2009 season.
Global Biorhythm Events company motto, “In Tune With the World We Play In”, will greatly influence this years’ events. Sponsors like Hammer Nutrition, HP (Hewlett-Packard) ProCurve Networking, Coca-Cola Bottling Co., Adventure Sports Journal, Auburn Bike-Works, Bike Monkey LLC, MadCat Bicycles, NiteRider, Nuun Active Hydration, and Eco Products Inc. all have core values and experience in protecting the environment and will play a big part with Global Biorhythm Events to help provide a low/no-impact series on our treasured lands. Its very important to align our efforts with the California State Parks, U.S Forest Service, BLM, and other state land management authorities to help protect what we have, communicating a “Keep it Clean, Keep it Green” practice to all our race participants.
Races from the “2009 Leave No Trace” series include:
- May 2-3, 2009 in Cool, California
Coolest 8 & 24 Hour Race Against Cancer - June 20-21, 2009 in Cobb, California
Coolest II 8 & 24 Hour Race - September 12, 2009 in Soda Springs, California
Tahoe Sierra 100 - October 10, 2009 in Cool, California
Knickerbocker 50 Mile and 8 Hour Race
There will be awards and medals for all age groups. The pay out will be the same for men and women!
- Open (PRO/EXPERT)
- Singlespeed open
- Ages 19-29
- Ages 30-39
- Ages 40-49
- Ages 50-59
Overall mileage leaders, both male and female, for the entire Leave No Trace Series, will get one of these fuel efficient (55 mpg) motor scooters.









