Griffith Park Trail Marathon

Los Angeles, United States • 21 Nov 2026

Griffith Park Trail Marathon : November 21, 2026

The Griffith Park Trail Marathon is a trail running event held in Griffith Park in Los Angeles, CA. The event is organized by Keira Henninger Events and marked as the 17th annual running of this race series. The race day offers multiple distance options on park trails and terrain.

Registration for this edition opens on July 1, 2026 at 6:00 AM PT. Organizers indicate the race tends to sell out in past years. A spring edition of the series includes a 50 mile option, while the fall edition features the distances listed below.

Distances

  • 50 K
  • Marathon
  • 30 K
  • 1/2 Marathon
  • 10 K

The event is presented as an in-person trail race in Los Angeles. The listing specifies an offline attendance mode and names Keira Henninger Events as the organizer. The published date for this edition is November 21, 2026. The description here focuses on event format, location, organizer, registration timing, and available race distances. Visit the organization's website for the most recent information.

Race information

50 km
50 K
Marathon
Marathon
30 km
30k
Half Marathon
1/2 Marathon
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

Orange Curtain Run in Orange County, California offers a range of distance and timed events from 10K to 100K on mixed pavement and bike path surfaces. The event is scheduled for June 19 and 20, 2026 and includes a certified marathon.

Tough Topanga returns to Topanga State Park on June 20, 2026, with a 10k, a 15k Garapito, and a junior 1 km. The event features a $3,500 cash purse, post race food and on-site amenities.

Nixon 5K for Title IX on June 20, 2026 in Yorba Linda features a 5K and a 1K kids run along El Cajon Trail. The family-friendly event includes commemorative medals, race bibs, a 5K race shirt, and a Nixon Library admission.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

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