Golden Gate Headlands Marathon

Mill Valley, United States • 4 Apr 2026

Set in the Marin Headlands, the Golden Gate Headlands Marathon, Half Marathon & 10K starts and finishes at the Historic Gunnery Range in Rodeo Valley, Mill Valley, California. The course traverses scenic single-track trails and fire roads, offering panoramic views of San Francisco Bay, the Golden Gate Bridge, and the Pacific coastline. The marathon comprises two laps of the half-marathon loop.

The event is capped at 400 participants, creating an intimate atmosphere. Aid stations are at miles 6 (half and full) and miles 13 and 19 (full); the 10K has no aid stations. Walkers welcome; headphones are prohibited for safety. Visit the organization's website for the most recent information.

Race information

26 mi
Marathon
13 mi
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
Trail runs nearby

Berkeley Trail Adventure is a multi-distance trail race in the East Bay, held in Tilden Regional Park and Wildcat Canyon (Berkeley, CA). Distances: 50K (31 miles, ~6,800 ft gain), 35K (21.6 miles, ~4,600 ft), half marathon (13 miles, ~2,800 ft), and 10K (6 miles, ~1,050 ft). The course blends techni..

The Dick Collins Firetrails will take place in Castro Valley from Saturday 27 September 2025 to Sunday 28 September 2025. You can run between 42 and 100 kilometers.

UTMB Index

Pacifica Summit Run, staged at San Pedro Valley State Park in Pacifica, California, features 10K and half-marathon trail races hosted by Urban Coyote Racing. Runners enjoy postcard views of the Pacific Ocean coastline and plenty of switchbacks as they ascend the summit on the upper San Francisco Pen..

The Women's Headlands Half Marathon is a scenic 13.2-mile trail race held annually in the Marin Headlands near Mill Valley, California. Celebrating its third year in 2025, the event features a challenging course with nearly 2,000 feet of elevation gain, showcasing stunning singletrack trails, sweepi..

Reservoir Dogs Trail Run in Orinda, CA offers 10K, Half Marathon, and 35K distances with start and finish in the San Pablo Reservoir Recreation Area. The event is notable as the first trail race to completely circumnavigate Briones Reservoir on EBMUD trails, delivering rolling open fire roads, tree-..

Star City San Bruno Mountain Half Marathon & 5K, organized by the Excelsior Running Club, takes place in Brisbane, CA, on the San Bruno Mountain trails. The course is 93% on trail with about 2,400 feet of elevation gain, including a single-track downhill and sweeping views of the Pacific, Bay, and S..