Old Pueblo Endurance Runs
Sonoita, United States • 7 Mar 2026
The Old Pueblo Endurance Runs, held in Sonoita, Arizona, is one of the oldest trail ultramarathons in the state, established in 1985. The event features challenging 50-mile and 25-mile distances along rugged trails on the flanks of the scenic Santa Rita Mountains. Starting at the historic Kentucky Camp mining site, runners traverse the Arizona Trail beneath Mt.
Wrightson, a prominent 9,452-foot peak. The course offers a blend of natural beauty and rich history, following paths once used by Native Americans, early ranchers, and miners. The race fosters a pioneering spirit and is part of the Southern Arizona Triple 50 series, with special incentives for finishers. Visit the organization's website for the most recent information.