36TH ANNUAL

ANGELES CREST 100
MILE ENDURANCE
RUN

Next edition planned for 2026

The legendary 100-mile run started back in 1986. One of the original five 100 milers. AC100 has strived to keep the race’s original point-to-point course from Wrightwood to Altadena largely intact while preserving its level of difficulty. It’s one of only 6 point-to-point 100-mile runs in the country. You’ll traverse 100 miles of San Gabriel mountains from elevations of 1,135 to 9,300 feet.

The 36th Annual AC100 is scheduled for Late Summer 2026.
The Lottery will open in late September 2025. If you’re interested in running, you may request an early invitation.

the Waitlist is now Open

the lottery will open OPEN in Late September, 2025

If you are selected from the waitlist you will have the option to accept or decline your entry.

Lottery Process

Key Dates

Lottery Opens: Late September 2025
Entrants + Waitlist Announced: One week after Lottery closes
Trail Work & Qualifier Deadline: July 13, 2026
Waitlist Closes: July 1, 2026

How the Lottery Works

Lottery hosted on UltraSignup for the 2026 AC100 Race
Your card is only charged if selected for the Entrants List
~210 Lottery spots available (others reserved for volunteers, sponsors, Sterling Silver Ticket holders)
Not selected? You’ll be automatically added to the Waitlist in draw order
Didn’t enter the Lottery? You can register for the Waitlist on UltraSignup
Waitlist runners will be invited to fill open spots until July 13, 2026

Refund Policy

50% refund available through March 1, 2026
25% refund available through June 1, 2026
Contact us directly to request a refund
Refunds go to the original payment method if possible; after 5 months may be issued by mailed check
No deferrals or rollovers

Entry Requirements

Run a 50+ mile race between Jan 1, 2025 and July 13, 2026
You don’t need the qualifier to enter the Lottery
Submit result (UltraSignup or official publication) by July 13, 2026
Complete and submit 8 hours of Trail Work by July 13, 2026
South of Fresno? Do Trail Work with AC100
North of Fresno or out of state? Work with a local trail org or race
Trail Work schedules posted in Spring 2026 on Facebook and Trail Work Page

SOLO Division

No pacers or crew allowed
Higher chance of being selected in the Lottery
No division changes allowed after signup
Eligible for special Solo Division awards and recognition

Lottery Boosts

Previous AC100 finishers
Entered last year’s Lottery but weren’t selected
Entered the SOLO division

Stay Updated

Email Communications

Once you register, you’ll be automatically added to our entrants email list. We send race updates and communications directly to registered runners.