Cahuilla Rez Ultra
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Cahuilla Rez Ultra, Anza, California
Cahuilla Rez Ultra is a multi-distance running event held on the Cahuilla Indian Reservation in Anza, California. The event raises funds for the Cahuilla Band of Indians Youth and Family Committee and includes several race formats.
- 100 Miler
- 24hrs
- 12hrs
- 6hrs
- Half Marathon
- Tribal Member 5k
The main loop is a runnable 2 mile double track dirt road with subtle rolling hills. The course description notes about 170 feet of elevation gain per loop and approximately 8,500 feet of total climb across the 100 mile distance. The half marathon follows reservation roads for 13 miles and has roughly 1,500 feet of climb with four aid stations at miles 4.5, 6, 7.5 and 10.
There is an aid station at the softball field offering real hot food and typical aid station items, plus non-porta-potty bathrooms. RV parking is allowed at no additional cost with 20 spots on a first come basis. Tent camping on the softball field and car camping in the adjacent dirt lot are permitted. The 100 mile race has a 30 hour cutoff and 100 mile finishers receive a buckle. New 2026 rules state there are no mid-race race changes and fixed time race results are limited to the mileage completed in that race. Visit the organization's website for the most recent information.
