Tierra Redonda Mountain Trail Run

SEP
19
2026
Trail running on a private California cattle ranch. Choose from 5km to 48 hour distances on a dirt loop course. Camp under the stars with nightly bonfires and music.
Sat 19 Sep 2026
48 hour 24 hour 20 kilometers 10 kilometers 5 kilometers

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Event Overview

The Tierra Redonda Mountain Trail Run takes place on a private cattle ranch in Bradley, California. The event offers several distances: a 5km, a 10km, a 20km, a 24-hour, and a 48-hour run. All events use a 10km, single-direction loop course consisting of 100% dirt ranch roads and single-track trails.

Course Details

The course is the same for all events that use loops. Each 10km loop has 585 feet of vertical gain. Aid stations are placed approximately every 3 miles. Awards are given to all finishers, with special handcrafted trophies for the top male and female in each event.

Camping and Atmosphere

Camping is available on-site from Thursday to Sunday for $10.00 per vehicle per night. The camping is primitive with no hookups or amenities, available on a first-come basis and not included in the registration fee. The event features a group bonfire every night starting at dusk and live music on Friday and Saturday nights. Dogs on leashes are welcome, and the event is described as family-friendly. Visit the organization's website for the most recent information.

48 hr
48 Hour
24 hr
24 Hour
20 km
10 km
5 km