Angeles Crest 100 Mile Endurance Run
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Event overview
The Angeles Crest 100 Mile Endurance Run is a point-to-point ultramarathon held since 1986. The 36th edition is scheduled for October 3, 2026. The race covers 100 miles across the San Gabriel Mountains and is one of the original five 100-mile races in the United States. It is a Western States qualifying race and an UTMB index 100M qualifying event.
Course
The course runs between Wrightwood and Altadena, with elevations ranging from 1,135 to 9,300 feet and approximately 21,610 feet of cumulative elevation gain. The route includes high alpine ridges, rocky high-country trails, deep canyons near Mt. Wilson, and the Mt. Wilson climb. For 2026 the course bypasses Chantry Flats and finishes in Altadena via the Kenyon/Devore Trail to the top of Mt. Wilson, passing Shortcut, Redbox, Newcomb Saddle, Rincon-Redbox Road, and the Gabrielino Trail toward Loma Alta Park.
Entry, requirements and logistics
Entry for 2026 is by lottery. Lottery registration opened September 19, 2025 and closed September 29, 2025; 210 spots were available via the lottery. Entrants must complete a 50+ mile qualifier between January 1, 2025 and September 3, 2026. Trail work is required by September 3, 2026 for Southern California entrants; out-of-area entrants may complete local trail work. The Solo division prohibits pacers and crew and does not allow division changes after signup. The published refund policy is 50% refund until May 1 and 25% until September 1.
Awards
All finishers receive a personalized finisher plaque and a finisher shirt. Runners finishing within 33 hours receive a buckle, with specific buckle tiers for sub-24 hours, 24:00 to 24:59:59, and 25:00 to 33:00. Separate buckle distinctions exist for Solo finishers and for record-breaking performances. Visit the organization's website for the most recent information.
