Inside Trail - Peacock Gap Trail Run

San Rafael, United States • 6 Dec 2025

Peacock Gap Trail Run, part of Inside Trail Racing, takes place at China Camp State Park in San Rafael, CA. The event offers three distances: 10K, Half Marathon, and 30K. Runners traverse twisting single-track through forested sections and open trails along the San Pablo Bay side, with sweeping views of Mt.

Tam, San Pablo Bay, and San Francisco Bay and a mid-race climb. Elevation gains run from roughly 1,140 ft (10K) to about 2,735 ft (30K). It features a cupless setup with carry-your-own water, professional chip timing, and generous aid-station offerings, plus post-race snacks in a lively outdoor atmosphere.

Capacity is 275 runners. Visit the organization's website for the most recent information.

Race information

30 km
2735 m+
30k
13 mi
1800 m+
Half Marathon
10 km
1140 m+
10k
Visit the organization's website for the most recent information.
Trail runs nearby

Berkeley Trail Adventure is an Inside Trail Racing event set in Berkeley, CA, spanning Tilden Regional Park and Wildcat Canyon. Distances offered are 50K (31 miles), 35K (21.6 miles), half marathon (13 miles), and 10K. The course blends technical dirt trails and non-technical fire roads, with about..

The Pacifica Summit Run is a trail running event held at San Pedro Valley State Park in Pacifica, California. It features two race distances: a 10K and a half marathon. Runners experience scenic views from the tallest mountain on the upper San Francisco Peninsula, including stunning postcard vistas..

JP's Backyard Ultra/Hike is a grassroots ultramarathon and hike held at Skyline Wilderness Park in Napa, California. In its third year, the event features a 3.3-mile loop with 550+ feet of climbing through rocky and shaded trails. Runners and hikers may do 1 to 10 loops, starting together on the hou..

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, held in Orinda, CA on October 4, 2025, features three distances—10K, Half Marathon, and 35K—starting and finishing at the San Pablo Reservoir Recreation Area in EBMUD land. This race was the first to completely circumnavigate Briones Reservoir on permit trails, offering tre..

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..