Angeles Crest 100 Endurance Run

Welcome

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.

RACE RULES / GENERAL INFORMATION

2019 AC100 On-Line Registration 2019 lottery online registration will begin on Monday 12:00 Noon on December 3, 2018 and will remain open for 3 days.  1) Runners must complete at least a 50 mile race prior the lottery opens. 2) The Solo Runner will have priority in the... read it all

CURRENT NEWS

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

2017 TRAINING RUNS / TRAIL WORK SCHEDULE

2017 AC100 Training Runs -Trail Work Schedule (Check AC100.com for any changes) Gary Hilliard will be in charge of trail work days as available April 22,  7:00AM (Saturday): Trail Work: (NOTICE: This trail work day restricted to the 1st  30 who call or e-mai... 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
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2011 AC100: Runners on Mt Baden Powell at 9300 ft elevation

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