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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 trailwork 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 land and policies that welcome bikes.
  • 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.

IMBA's worldwide network includes 35,000 individual members; more than 750 chapters, clubs and patrols; more than 200 corporate partners; and about 600 retailer shops. IMBA's members live in all 50 U.S. states, most Canadian provinces and in 30 other countries.

IMBA's U.S and international headquarters in the United States are located in Boulder, Colorado. Domestically, we currently have nearly 50 full-time staff members, including regional directors located in the Pacific Northwest, Central 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 will also find reports from IMBA affilates around the globe. Visit our international programs page for more about IMBA's work outside the U.S.

The U.S. Internal Revenue Service recognizes IMBA as a tax-exempt, 501(c)(3) charitable organization. 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

IMBA's latest 990 IRS fliing can be found here.

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