Logo

Gold Country and Headlands Half Training Run

Mill Valley, United States • 4 Oct 2025

The Women's Headlands Half Marathon is a trail running event held in the scenic Marin Headlands near Mill Valley, California. This race features a brand-new half marathon course that highlights the area's stunning singletrack trails, challenging climbs, and exhilarating descents, offering runners a mix of grit and grace. The course begins and ends at the San Francisco Running Company store, fostering a strong sense of community among participants. Now in its third year, the event showcases some of Marin's most iconic terrain, providing a rewarding experience for trail runners. Volunteers support the race through aid stations and course monitoring. Visit the organization's website for the most recent information.

United States California Mill Valley

Race information

Website
21 km
Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Bear Creek Run

Lafayette - 23 mi from Mill Valley

Bear Creek is a trail running event held in Lafayette, California, featuring a half marathon, 10K, and 5K distances. The race takes place on August 9, 2025, at 1611 Bear Creek Road within Briones Regional Park. Unlike flat courses, Bear Creek offers a challenging route with many hills, rewarding par..

Tamalpa Headlands 50K

Mill Valley

The Tamalpa Headlands 50K is a challenging ultramarathon held in Sausalito, California, featuring a single-loop course through Marin County's iconic trails such as Coastal, Miwok, Steep Ravine, Matt Davis, and Dipsea. The race starts and finishes at Santos Meadows near Muir Woods, offering stunning..

Redwood (Summer) Trail Run

Oakland - 16 mi from Mill Valley

...

The Redwood (Summer) Trail Run, held in Oakland, California, offers a scenic race experience through Redwood Regional Park. Participants can choose from multiple distances including 5 miles, half marathon, 30K, marathon, 50K, and a free kids' 50-yard dash for children six and under. The course featu..

Envirosports - Angel Island Half Marathon

Belvedere Tiburon - 5 mi from Mill Valley

The Envirosports - Angel Island Half Marathon will take place in Belvedere Tiburon on Saturday 23 August 2025. You can run between 10 and 13 miles.

Double Dipsea

Stinson Beach - 5 mi from Mill Valley

The Double Dipsea is a challenging 13.7-mile trail race held annually at Stinson Beach, California, celebrating its 55th running in 2025. The course follows the legendary Dipsea Trail from Stinson Beach to Mill Valley and back, featuring steep hills, numerous stairs, and stunning views. Unique to th..

Berkeley Trail Adventure

Berkeley - 15 mi from Mill Valley

The Berkeley Trail Adventure is a scenic trail running event held in Berkeley, California, within Tilden Regional Park and Wildcat Canyon. It offers four race distances: 10K, half marathon, 35K, and 50K, featuring technical dirt trails, fire roads, and some asphalt sections. The course showcases sha..