Tierra Redonda Mountain Trail Run
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About the race
Tierra Redonda Mountain Trail Run takes place at Smith Ranch in Bradley, California, on November 14–16, 2025. The event offers 48-hour, 24-hour, and 20K, 10K, and 5K races on a 100% dirt, single-track loop course across 5km and 10km routes, with the longer formats using repeated 10km loops. Expect views, moderate climbs, mild temperatures, and well-stocked aid stations about every three miles.
The course features 302 feet of vertical gain per 5km loop and 585 feet per 10km loop. Onsite camping is available on Smith Ranch (up to three nights) for a nightly rate. Dogs on leash welcome; bonfire, music. Visit the organization's website for the most recent information.