The Owyhee Off-Road Challenge
Adrian, United States • 21 Mar 2026
Located in Adrian, Oregon, about 54 miles northwest of Boise, the Owyhee Off-Road Challenge offers four distances: 55k, Half Marathon, 10k, and 5k. Runners traverse rugged, off-road courses with breathtaking views of the Snake River and the Owyhee Valleys, set in the wide-open Owyhee country. Hosted by the Adrian Sports Boosters, the race funds a new Adrian School District track and programs for local youth. The event is praised for its friendly volunteers and well-marked courses, combining a challenging, beautiful Northwest experience with strong community support and a memorable, outdoorsy atmosphere. Visit the organization's website for the most recent information.