Womens Headlands Half Marathon

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, sweeping views, and exhilarating climbs and descents. The race starts and finishes at the San Francisco Running Company store, fostering a strong trail community atmosphere.

New initiatives include group training runs, custom coaching plans, and shuttle services from San Francisco and the East Bay. The event emphasizes both the physical challenge and the rewarding experience of running through iconic Marin terrain. Visit the organization's website for the most recent information.