Angeles Crest 100 Endurance Run


The San Gabriel back country retains much of the natural beauty, if not the primitive wilderness of yesteryear... Thanks largely to the foresight and capable supervision of the U.S. Forest Service and hundreds of volunteers. Picnic areas and campgrounds have been constructed with minimum displacement of the natural setting.

Those desiring to see this primitive wilderness in a single day are invited to participate in the Angeles Crest 100 Mile Endurance Run.

The 2019 race date is on August 3, 2019 at 5:00:00 AM/PST.


The 2019 Race Lottery opens Monday December 3rd at 12:00 PM PST on It will remain open for one week till December 10th at 12:00 PM PST, results will be published Dec 21st. 


Additional info can be found below under RACE RULES / GENERAL INFORMATION


2019 AC100 Lottery and Sterling Silver Ticket Races 1) All Lottery entrants will need to have run an Official (i.e. timed race with published results) 50+ Mile Race in 2018 (1/1/18-12/1/18) in order to register for the Lottery. 2) There will be 220 spots for the Lottery. The roughly 30 r... read it all


VOLUNTEERS If you are involved in mountain trail endurance running, you know it takes a small army of volunteers to put on a "point to point" 100 mile endurance run.  We need:   1) help at several late wilderness aid stations:  -Idlehour Checkpo... read it all


2019 Angles Crest 100 & Angeles National Forest Trail Race Trailwork Schedule Gary Hilliard will lead the Trailwork  >   January 19, 2019 7:00AM (Saturday): Trail Work, Strawberry Trail Trail Work Outing is restricted to ... read it all

Hal Winton

AC100 co-RD of 29 years, Hal Winton, passed away May 24, 2017 at the Torrance Memorial Medical Center. His family was at his side. He'll be deeply missed.

UltraRunning Magazine
(click for larger image)

2011 AC100: Runners on Mt Baden Powell at 9300 ft elevation

Comparing 100 Milers
(click for larger image)

1988: The Original First Five 100 Milers Compared in UltraRunning Magazine