Golden Gate Headlands Marathon
Mill Valley, United States • 4 Apr 2026
The Golden Gate Headlands Marathon, Half Marathon, and 10K is an annual trail running event held in the scenic Marin Headlands near Mill Valley, California. Participants start and finish at the Historic Gunnery Range in Rodeo Valley, running through a course that combines single-track hiking trails and fire roads. Runners are treated to breathtaking views of the San Francisco Bay, Golden Gate Bridge, Pacific Ocean, and vibrant wildflowers.
The event is limited to 400 participants and is known for its challenging elevation and stunning vistas. Aid stations are available on the half and full marathon courses, and finishers receive medals and awards. Headphones are prohibited for safety on narrow trails. Visit the organization's website for the most recent information.