Cahuilla Rez Ultra

Anza, United States • 17 Oct 2026

Cahuilla Rez Ultra : Anza, California

The event takes place on the Cahuilla Indian Reservation in Anza, California, and raises funds for the tribe's Youth and Family Committee. It is a Native organized event that is not associated with the Elder Creek Races.

The main loop is a runnable 2 mile double track dirt road. The 100 mile race covers approximately 8,500 feet of cumulative climb and about 170 feet of gain per loop. Aid is centered at the softball field and includes hot foods and typical aid station items, plus non porta potty bathroom facilities.

The half marathon follows reservation roads, covers 13 miles, uses similar double track dirt surfaces, and includes about 1,500 feet of climb. There are four basic aid stations on the half marathon at miles 4.5, 6, 7.5 and 10.

Logistics and rules:

  • RV parking is allowed at no extra cost and is limited to 20 spots.
  • Tent camping is allowed on the softball field; car camping is allowed in the adjacent dirt parking lot.
  • New 2026 rules limit official results to the race entered; 24 hour entrants will receive the mileage completed within 24 hours and may not continue past 24 hours to pursue a 100 mile result.
  • 100 mile finishers receive a buckle; buckles ordered by signup date may be mailed after the race.
  • Red Road Racing is a registered 501c3 non profit.

Distances offered:

  • 100 mile
  • 24 hour
  • 12 hour
  • 6 hour
  • Half marathon 13 miles
  • Tribal Member 5k

Registration closes Oct 13. Visit the organization's website for the most recent information.

Race information

100 mi
100 Miler
13 mi
Half Marathon
5 km
Tribal Member 5k
24hrs
12hrs
6hrs
Visit the organization's website for the most recent information.
Trail runs nearby

Night trail event on July 25, 2026 with a 4.6 mile loop, distances from 9 mile to 50K, mandatory headlamp and aid stations each loop.

Trail event at Los Coyotes Reservation with a 3.1 mile loop plus timed 6H and 24H ultras on a 15.7 mile course, with camping and village amenities.

A team trail relay at Los Coyotes Reservation on October 23-24, 2026 covering 112.8 miles and 23,800 feet elevation gain with camping and village amenities.

One mile loop ultra on hardpacked dirt with timed 3, 6, 12 and 24 hour options plus relay teams. Live chip timing, free on course camping, continuous food service, and a 31 hour buckle challenge to reach 100 miles.

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