Inside Trail - Peacock Gap Trail Run

The Peacock Gap Trail Run, hosted by Inside Trail Racing, takes place at China Camp State Park in San Rafael, California. Scheduled for December 6, 2025, the event offers three distances: 10K, half marathon, and 30K, with courses featuring scenic single-track trails, forested areas, and views of Mt. Tam, San Pablo Bay, and San Francisco Bay.

The terrain includes a notable climb early in the race, followed by faster sections. The race is limited to 275 participants and is professionally chip-timed. Aid stations provide a variety of nutrition options, and the event promotes sustainability as a cupless race.

Awards and technical performance shirts are provided to participants. Visit the organization's website for the most recent information.