Griffith Park Trail 50k/Marathon/Half Marathon

Griffith Park Trail 50k/Marathon/Half Marathon

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A beautiful Trail 50k, Marathon, and half marathon ran in the heart of the historic Griffith Park. Race Director is Ultra Runner Keira Henninger.

The Griffith Park Trail Marathon was created by Keira Henninger to give an opportunity for runners to accomplish running on trails longer than they ever imagined possible. This is a faster course with some solid good hills, and up to fourteen flat fast runnable miles. You will cross paths with every historical landmark that Griffith Park has to offer, and experience the magic of what this special

Griffith Park Trail Marathon 06/26/2026

Registration opens July 1st at 6am on UltraSignup. Use code "khraces" for $15 off any distance! Clcik the link below to register:

Griffith Park Trail Marathon November 21, 2026: 50 K race in Los Angeles, CA. Organized by Keira Henninger Events. Register now on UltraSignup.

Photos from Griffith Park Trail 50k/Marathon/Half Marathon's post 04/10/2025

Beautiful day on the course ❤️💕

03/24/2025

Hi friends! Jim Richter (the head of the trail gorillas who leads ALL the trail work on the Pacific Crest Trail for most of So-Cal) sent me the email/note below. He also has a trail work day planned on the Leona Divide course before the race. If you want to give back, earn a free race entry, and do trail work **PLEASE email Jim Richter @ [email protected]


​Here is Jims latest request:
​I submitted a project to cut trees north of Islip Saddle on Wednesday. This will be crosscut since it is in the wilderness. I would like to have at least a couple of certified sawyers. Others may participate depending on the number of certified sawyers. I will send an email when the project is approved.
​Thanks, Jim.

03/18/2025

Calling all Leona Divide volunteers! This is our biggest push yet for rallying volunteers!

​Saturday April 12th through Sunday April 13th 👇👇👇

​ needs volunteers for all shifts! Aid stations, check in, parking, and just giving out loads of love and support to all our runners! ❤️❤️

​Volunteer for the day with us at and receive a full race entry as credit. We ❤️ our volunteers!

​Comment below 👇 or email race director to sign up!

​**Email @ [email protected]

03/12/2025

We love supporting good causes!! is a fundraiser in the form of a 5k race/walk and festival. Additionally, there will be many food vendors and pop-up shops for non-runners to enjoy. The funds generated through this event will go directly towards aiding victims of the recent LA fires.

More specifically, 100% of the profits will be given back to the community through donations to damaged Altadena elementary schools!

Below are some more specifics regarding the event:
- $5 for General Admission
(access to food vendors, music, face painting, yoga, etc.)
- $10 to race/walk for a chance to win $150 from RoadRunner!
(general admission is free for runners)
- Event takes place at Woodley Park on March 29th, from 8:00 AM - 12:00 PM
- 2 races, Race #1 at 8:00 AM and Race #2 at 9:00 AM
- Tickets sold on Eventbrite

Please reach out to any runner or person you know who would be interested in joining us for a great community event to help rebuild Los Angeles!

Saturday, March 29, 2025 from 8:00 AM - 12:00 PM
Woodley Park
6350 Woodley Avenue, Van Nuys, CA 91436

Purchase tickets here—
https://www.eventbrite.com/e/race-to-rebuild-la-5k-walkrun-los-angeles-tickets-1225666253759

Thank you 🙏 ❤️

03/03/2025

Hi everyone! We have some volunteer needs for this Saturday @ Griffith Park (Saturday March 8th).
​As always all volunteers can trade there time for a race entry and swing by the finish line for free grub + race day shirt. Comment below if you are available for any speciifc shifts below! 👇 👇

​**Two people to help @ Joe Klass aid station from 5:15am (meet up at the gate)-2pm

​**Two people to help at the butterfly sanctuary aid station from 6am-2pm



​Thanks everyone!! ❤️❤️

02/21/2025

Who’s ready to run tomorrow??!! What a beautiful day it is in ❤️

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Location

Address


4730 Crystal Springs Drive
Los Angeles, CA
90027