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About IMBA U.S.

The International Mountain Bicycling Association (IMBA) is a 501(c)3 non-profit educational association. Our mission is to create, enhance and preserve great mountain biking experiences.

Since 1988, IMBA has been bringing out the best in mountain biking by encouraging low-impact riding, volunteer trail work participation, cooperation among different trail user groups, grassroots advocacy and innovative trail management solutions. IMBA's staff, chapters, clubs and members work to benefit the entire mountain bike community.

  • We create a powerful voice for trails, public lands and management policies that welcome bikes.
  • We advocate for mountain bike access and acceptance nationwide. 
  • We build sustainable trails and bike facilities to make mountain biking more accessible.
  • We teach environmentally responsible trail building and trail etiquette practices.
  • We inspire more people to experience the outdoors on bicycles.
  • We educate bike groups on how to organize and make mountain biking better at the local level.

Here's what we do, how you help and why we're so thankful!

IMBA's worldwide network includes 100,000+ supporters, 35,000+ individual members, 180+ IMBA Chapters, 300+ clubs and volunteer bike patrols, 200+ corporate partners, and 700+ retail shops. IMBA's members live in all 50 U.S. states, most Canadian provinces and in 30 other countries. Joining your local IMBA chapter is the most effective way for you to build and maintain the amazing trails you love to ride. Your membership dues support your local chapter's work, and IMBA's efforts nationwide.

IMBA's U.S and international headquarters in the United States are located in Boulder, Colorado. Domestically, we currently have more than 50 full-time staff members, including region directors located in Northern California, Southwest, Rocky Mountains, South Central, Upper Midwest, Great Lakes, Mid-Atlantic and Southeast regions of the United States.

This website primarily serves IMBA's programs in the U.S., but you can also find reports from IMBA affiliates around the globe. Visit our international programs page for more about IMBA's work outside the U.S., including IMBA Europe and IMBA Canada. 


 

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The U.S. Internal Revenue Service recognizes IMBA as a tax-exempt, 501(c)(3) charitable organization; your donations are tax-deductible. IMBA's tax identification number is 77-0204066.

IMBA has received a 4-star, exceptional rating from Charity Navigator for having the highest program allocation and lowest fundraising costs in the field from America's largest and most-utilized independent evaluator of charities. When you join or support us, your money goes where it matters.

You can read IMBA's 2014 Annual Report and IMBA's latest 990 IRS filing can be found here.

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