Old Pueblo Endurance Runs
Pima County, Arizona, United States
Mar 6, 2027 - Saturday
25mi, 50mi, Ultra
Video
Race Information
One of the oldest trail ultramarathons in Arizona and started by a group of local trail runners, the Old Pueblo Endurance Runs were early pioneers of trail running in Arizona. Since its inception in 1985, Old Pueblo has taken on many forms and has had different routes, starts, finishes, distances, race directors, and its share of ups and downs, but the race has always had runners running on the flanks of the beautiful Santa Rita Mountains.
The race starts at the historic mining site of Kentucky Camp and takes you into the rugged, rocky shadow of Mt. Wrightson along the Arizona Trail.
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👍 Run Pick of the Month: Phoenix Marathon
📍Phoenix - Saturday December 12, 2026
💸 SAVE $20 On Your Entry. Use Code RG20
😄 Why We Like This Run
✅ Fast & beautiful course with desert views
✅ Built for your PR or BQ
✅ The finish line festival
Ready to conquer the desert and "Earn the Bird"? Whether you’re chasing a Boston Qualifier or looking for an unforgettable desert run, the Phoenix Marathon offers a premier racing experience right in the heart of the Valley.
Built entirely around the runner, this event combines the scale of a major city race with the welcoming spirit of a hometown favorite.
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Race Facts
Race Size: 100 - 500
Elevation: Some Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
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