35TH ANNUAL

ANGELES CREST 100
MILE ENDURANCE
RUN

August 2, 2025

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 35th Annual AC100 will be on Saturday, Aug 2, 2025 @ 5:00 AM PT. The Lottery closed on September 15, 2024. If you are interested in running in 2025 you can still register for the waitlist. If you are interested in running in 2026 you request an early invite for the Lottery.

the Waitlist is now Open

the lottery Closed on Sunday, Sept 15, 2024

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

Lottery Process

The 2024 Angeles Crest 100 Mile Endurance Run Lottery will be hosted on UltraSignup for the 2025 AC100 Race. Your card will not be charged when you register. Your card will only be charged if selected.
All Runners will have the opportunity to enter the Angeles Crest 100 Mile Endurance Run Lottery. AC100 uses a Lottery because of the high demand and the limited number of spots available.
Lottery registration will begin on Friday August 30, 2024 until Sunday, September 15, 2024.
There will be 230 spots for the Lottery. The remaining spots are reserved for volunteers, sponsors, and Sterling Silver Ticket Winners.
The Official Entrants List and Waitlist will be announced on September 18, 2024. Runners who were not selected or missed the Lottery will still be able to register for the Waitlist until June 1, 2025. The Waitlist will be maintained all year round. We will continue to add waitlist runners to the race until June 1, 2025.
Refund Policy: 50% up until March 1, 2025 and 25% up until June 1, 2025.
If a runner drops, a runner from the Waitlist will be invited to fill that spot. You will have the option to accept or decline before your credit card is charged.
All Entrants will need to have run a 50+ Mile Race between Jan 1, 2024, and July 13, 2025. The result of your qualifying run must be published in a magazine like Ultra Running or on UltraSignup’s website. You DO NOT need a qualifier to register for the Lottery. You can run a 50 miler after you register and submit your qualifier by contacting us. If you do not have a qualifier by July 13, 2025, you will not able to start the race.
All Entrants in the race are required to complete and submit Trail Work before July 13, 2025. Runners who do not complete the Trail Work, will not be allowed to start the Race. Runners North of Fresno or out of state can perform Trail Work with their local race. If you live south of Fresno. Runners South of Fresno are required to perform Trail Work with AC100. Trail Work Schedules will be announced in spring of 2025.
Signing up for the SOLO division means that you will have no pacer(s) and no crew support during the race. Solo runners have a higher chance of getting picked in the Lottery. Switching divisions is NOT permitted after signup.
If you have previous AC100 finishes you will have an increased chance of getting picked in the Lottery.
If you signed up for the previous year’s Lottery and didn’t get in you will have an increased chance of getting picked in the Lottery.