Angeles Crest 100 Mile Endurance Run
Wrightwood, United States • 3 Oct 2026
Angeles Crest 100 Mile Endurance Run
The Angeles Crest 100 Mile Endurance Run is an annual long distance trail race held in the San Gabriel back country within the Angeles National Forest. The event has been held since 1986 and covers 100 miles along mountain trails and forest roads. The course has historically relied on coordination with the U.S. Forest Service and many volunteers to maintain trail access and aid stations.
For 2026 the course was changed because of major Highway 2 closures; the race will start and finish in Altadena. The 36th edition is scheduled for October 3, 2026. Entry for the 2026 race was determined by a lottery that opened September 19, 2025 and closed September 29, 2025, with entrants and the waitlist published October 3, 2025. Two designated Sterling Silver Ticket races offer automatic entry for top finishers: That’s No Moon 50 Miler in Silverado, CA, and the Pacifico Ultra 50K in the Angeles National Forest.
The event runs a trail work program in the months before the race. Typical trail workdays require eight hours of work and are usually limited to around five to six volunteers; several sessions were scheduled on Sundays in April and May 2026 between Shortcut and Charleston Flats, meeting at Shortcut Saddle along Highway 2. The event also lists ham radio support and volunteer roles. The race is a Western States qualifying event and appears on the UTMB index as a 100 mile qualifier. Visit the organization's website for the most recent information.