Angeles Crest 100 Mile Endurance Run
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Angeles Crest 100 Mile Endurance Run
The Angeles Crest event on October 2, 2027 takes place at Loma Alta Park in Altadena, California. The weekend includes a 100 mile endurance race and a separate 100K held the same day, both starting and finishing at Loma Alta Park.
Distances:
- 100.8 miles - approximately 20,000 feet of elevation gain, 33 hour time limit.
- 62.51 miles (100K) - approximately 11,879 feet of elevation gain.
The 100-mile course follows a revised loop introduced in 2026 and travels through Clear Creek, Josephine Peak, Red Box, Newcomb, Shortcut, Chilao, Mt. Hillyer, Chantry Flats, Mt. Wilson, Sam Merrill, and Millard before returning to Loma Alta Park. The 100K follows a related route through many of the same landmarks.
Entry for the 100-mile race uses a lottery that opens October 12, 2026 and closes October 26, 2026, with entrants and waitlist announced October 30, 2026. All runners may enter the lottery; selected runners are charged at selection and non-selected runners are placed on the waitlist in lottery order. Division changes are not permitted after registration.
Entry requirements include completion of a qualifying race of 50 miles or longer within specified dates and required trail work hours: eight hours for 100-mile entrants and four hours for 100K entrants, to be completed and approved by September 2, 2027.
The event has a tiered refund policy through set deadlines and notes that course details remain subject to permits, trail conditions, fire closures, weather, and other safety considerations. Visit the organization's website for the most recent information.
