How do I join THOR?

Fill out the membership form at and you’re in!

Why Join THOR & IMBA?

THOR is the International Mountain Biking Association Chapter for Eastern Nebraska and Western Iowa. Founded in 1996, THOR builds and maintains most natural surface trails and trail systems in Eastern Nebraska and Western Iowa through agreements with city, state, and other public and private land managers. Our education programs focus on youth trail users, land managers, and the building of sustainable nature surface trails.

When you join THOR you also become a member of the International Mountain Biking Association. IMBA is on a mission to create, enhance and protect great places to ride mountain bikes with a vision to bring everyone across the U.S. has access to great trails — from close-to-home rides to iconic, backcountry experiences.


  • Free digital subscription to Mountain Bike Action magazine.
  • A discount on a new Subaru via our VIP program. Click here for complete details.
  • Discounts on over 100 brands of bike and outdoor gear through Login details are on your Membership dashboard.
  • 15% discount on Water-to-Go bottles. Login details are on your Membership dashboard.
  • Spot discounted injury insurance for mountain bikers. IMBA members get Spot for just $69.99 for an entire year.


Please use the button above to visit our donations page or this direct link to donate directly through Paypal to the mission of THOR’s advocacy, education, building, and operating budget. If you prefer, you can specify the project, program, or trail that you would like your funds to be used for. Donations to THOR, a Nebraska registered 501(c) 3 nonprofit corporation, are generally tax-deductible. We suggest you contact your tax professional if you have questions regarding your personal tax situation. Donations made alongside your membership through the IMBA website are split between IMBA and THOR.

THOR Inc, is a Nebraska nonprofit corporation, exempt from federal income tax according to IRS code 501(c) 3.