Old Pueblo Endurance Runs
Sonoita, United States • 7 Mar 2026
Event Overview
The Old Pueblo Endurance Runs take place in Sonoita, Arizona, near the historic mining site of Kentucky Camp. The course leads participants through the Santa Rita Mountains in southern Arizona, primarily utilizing sections of the Arizona Trail. Runners navigate a rugged landscape in the vicinity of Mt. Wrightson, which reaches an elevation of 9452 feet.
Course Details
The event is held on a 25 mile loop consisting of forest service roads and trails. The terrain includes rocky sections and has an average grade of 6%. The elevation at the start and finish area is 5142 feet, with the course elevation ranging between 4031 and 6232 feet. The route follows a modified path through Fish Canyon from Melendrez Pass to the Cave Creek aid station.
Race Distances
- 25 Miler (7 hour time limit)
- 50 Miler (15 hour time limit)
Additional Information
This is a cupless event. Participants receive a reusable collapsible cup during packet pickup to use at aid stations. The race is part of the Southern Arizona Triple 50 series. Top finishers may receive special awards or entry incentives for other regional trail races. A post-race cookout is provided for participants. Participants must be at least 18 years of age to enter. Visit the organization's website for the most recent information.