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.
Race Date: Saturday, August 2, 2025 @ 5:00 AM PST. Start Line: 1275 Hwy 2, Wrightwood, CA 92397
The Lottery for the 2025 AC100 Closed On Sunday, Sept 15, 2024.
The Waitlist is only viewable here: ac100.com/waitlist/
If you missed the Lottery you can still register for the Waitlist.
Training Runs will be posted in May and June of 2025.
If you’re interested in HAM certification or want to volunteer please visit the Ham Radio page.
2024 AC100 Award Ceremony Photos and Golden Hour Finishers. Compliments of Taro Yoshida.
2024 AC100 Volunteers/1st 8 Finishers Photos. Compliments of Bernard Guyman.
2024 AC100 Course Photos. Paksit Photos.
