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Gold Country and Headlands Half Training Run

Mill Valley, United States • 4 Oct 2025

Womens Headlands Half Marathon

The Womens Headlands Half Marathon is a women's trail race held on October 4, 2025. The event uses a newly introduced half marathon course for 2025 and is the third annual running of the women's race in the Marin Headlands. The race begins and ends at the San Francisco Running Company Mill Valley store, located at 247 Shoreline Hwy, Unit B1, Mill Valley, CA 94941.

Course, registration and support

The course runs on trails in the Marin Headlands and includes singletrack, climbs, descents and scenic views. Organizers list sponsors including GU Energy and San Francisco Running Company. Registration is available online, and organizers are recruiting volunteers for setup, aid stations and course monitoring. Visit the organization's website for the most recent information.

United States California Mill Valley

Race information

Website
13 mi
Half Marathon
Visit the organization's website for the most recent information.
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