International Mountain Bicycling Association

International Mountain Bicycling Association - Boulder ,Colorado

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

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.

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 headquarters are located in Boulder, Colorado. 




  • PO Box 20280
    Boulder Colorado 80308
    United States