September 3 - 4, 2022

Cirque du Griffith Park 6/12/24 & 100 Mile

4730 Crystal Springs Drive

Los Angeles, CA 100 Miler, 24hrs, 12hrs, 12hr Night Run, 6hrs

Registration closes: Wed, Aug 31 @ 11:59PM


We know you have many races to choose from and we thank you for supporting this amazing event in beautiful Griffith Park. Whether you're a beginner running your first ultra, a 100-mile hopeful or a competitive pro, we promise to give you a safe and professional race experience. Trail Run Events brings you 20-years of awesome races in beautiful places and Cirque is our crowning glory!

We have set the new date for September 3 & 4, 2022. This is also Labor Day Weekend and will give you an extra recovery day before returning to work.

ROLLOVERS FROM 2020 & 2021

Runners who paid in 2020 or 2021 will be offered rollover to the 2022 event. The amount of rollover will be the amount you previously paid for your event. You do not need a coupon code; just use the same email you used before and your 100% credit paid will be applied at checkout. FYI, there is an up charge for 2022 due to increases in permit and monitoring fees.

The race will likely have a cap on the number of participants and no priority will be given to previously registered runners so please ACT NOW to guarantee your entry.


Join us at Crystal Springs Picnic Area for 6, 12, 24 hours & 100-miles of running on the USAT&F Certified Course on the dirt equestrian path around the beautiful Harding Golf Course. How far can you run, jog or walk in 6, 12 or 24 hours? You keep going and going and we will calculate your mileage for you. Timed ultra marathon races are super fun because you always have someone to run with on a flat course and with support every 2.43 miles, the miles will add up!

In addition to our timed events, we present a 100-Mile Run that is user-friendly for everyone! You know you want that buckle and we will help you get it!


  • Men's and Ladies' Dri-Fit Race Shirts
  • Customizes belt buckles to runners reaching 100-miles or more
  • Customized Finisher Awards showing your name and total mileage run
  • One aid station serving soup, coffee and hot chocolate at night
  • Approximately 2.43 miles per loop
  • Approximately 72' gain and loss per loop
  • Computerized Chip Timing
  • 100-Mile Race with 30-hours to complete
  • Full access to Crystal Springs Picnic Area for your private use - BYO picnic and BBQ
  • Activities for your non-running friends and family - LA Zoo, Griffith Park Pony Rides & Carousel, hiking, cycling, Hollywood Sign, Golf, Travel Town, Autrey Museum. Close to Hollywood and Griffith Park Observatory.


    100-Miler starts at 8:00am

    24 Hour starts at 8:15am

    12 Hour starts at 8:30am

    6-Hour run has a relaxed starting time between 8:30am and 1:00pm

    12 Hour night run starts at 8:00pm


  • Pre-registration is online only. We do not accept mail-in registration.
  • Race day registrations are available until 15-minutes before each race start time.
  • Shirts and shirt sizes are not guaranteed for runners who register after July 15.
  • Race management reserves the right to refuse entry to anyone, for any reason.
  • Runners must be at least 18 y/o to run the race.
  • Online registration will generate an email to you. Please check your SPAM folder if your email does not arrive.

    **Due to the cost of permit fees, we will not be able to issue comp entries for this event.


    The Dawg Squad is a non-profit 501(c) 3 corporation established according to California laws for public benefit. They provide medical attention, training, rehabilitation, loving foster and permanent homes for at-risk animals who are homeless or have been abandoned and are in need of medical care. The have proudly rescued and placed over 1,800 animals in loving homes!

    Please consider taking pledges from family and friends to support this worthy cause. All pledges are tax deductible for the donor.

    Please check out their website:

    Please direct your donations to

    See Our Website

    For Q&A and additional information, See Our Website


    Trail Run Events is optimistic that this event will happen in 2022. However, it is important that we all understand and agree that everything is fluid and unforeseen challenges and changes may happen in the future.

    Trail Run Events is constantly monitoring, educating and interacting with our local, state and national health care officials, permit holders and venue property owners regarding COVID19, wild land fires and Safe Trail Running and Racing.

    With the current social, medical and legal instabilities, it is impossible to guarantee that this event will happen as planned.

    Trail Run Events will conduct this event only if safe and legal as described by the CDC, state and local authorities.

    Trail Run Events, CA State Parks, MRCA and the venue property owners reserve the right to amend and or cancel this event at anytime.

    ​TRAIL RUN EVENTS has a strict NO REFUND POLICY. In addition to no refunds, there are no bib transfers or deferrals to another year. In the past, exceptions have been made to this rule however this does not imply or guarantee the same will happen in the future.

    As runners, we are part of a great community committed to health and wellness and together we will get through this. Thank you for your patience, understanding and continued support.

    Local time: 4:05 PM
  • Results

    Linked Events

    Start Times

    Ask a Question