Trail Running calendar near Pinole 2025-2026

The Calero Hills Trail Fest, held at Calero County Park in San Jose, CA, offers a variety of trail running distances including a marathon, 30K, half marathon, 10 miler, 10K, and 5K. The courses feature challenging ascents and descents through scenic old oak groves, single track trails, and dirt path..

The Rodeo Valley Trail Run, held in the scenic Marin Headlands near Sausalito, California, offers trail races of 8K, Half Marathon, 30K, and 50K distances. Starting near historic Fort Cronkhite and Rodeo Beach, the course features challenging steep climbs and descents along coastal trails with stunn..

The Skyline 50K Endurance Run, held annually in August at Lake Chabot Marina in Castro Valley, California, is one of the longest-running 50K races in the state and among the oldest in the U.S. The course features a large loop through the scenic East Bay Regional Parks, reaching Skyline Gate. Known f..

Bear Creek is a trail running event held in Lafayette, California, featuring a half marathon, 10K, and 5K distances. The races take place on August 9, 2025, within the scenic Briones Regional Park. The courses are known for their challenging terrain with many hills, making them ideal for trail enthu..

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 covers 50 kilometers with approximately 6,500 feet of elevation gain, com..

The Almaden Hills Trail Run - Summer is a challenging trail running event held at Almaden Quicksilver Park in the scenic Almaden Valley, San Jose, California. The course features a mix of 60% dirt roads and 40% single-track trails, with significant elevation gains offering stunning views and country..

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..

The Envirosports Angel Island Half Marathon & 10K is an annual event held at Angel Island State Park near Belvedere Tiburon, California. The race features a scenic, hilly loop trail that circumnavigates Angel Island, offering stunning panoramic views of the Golden Gate Bridge, San Francisco, Alcatra..

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..

The Santa Cruz Trail Run, hosted by Inside Trail Racing, takes place at Henry Cowell Redwoods State Park in Felton, California. Scheduled for August 23, 2025, the event offers three distances: 10K, Half Marathon, and 30K, featuring challenging courses through giant redwoods, twisting single-track tr..

Run-De-Vous is an ultramarathon event held at Harvey Bear Ranch Park in San Martin, California. The race features multiple distance options including 100 miles, 100 kilometers, 50 miles, 50K, a marathon, and a 4-person 50-mile relay. The course is a fast 2-mile loop set against scenic hills and dist..

The SPASM Crystal Springs Trail Run takes place in Woodside, California, at Huddart Park, offering runners a scenic experience through towering redwoods, lush ferns, and trails in Huddart Park, King's Mountain, and Bear Gulch. The event features multiple distances: 8K, Half Marathon, 35K, Marathon,..

The Stevens Creek Striders Reservoir Run, held in Cupertino, CA, offers a scenic trail running experience with distances of a half marathon (13.2 miles), 11K, and a 2.5-mile Lollipop Loop charity run/walk. The course features shaded single-track trails and open vistas, including challenging steep as..

The Diablo Trail Run, held at Diablo State Park in Clayton, California, offers a variety of distances including 4 miles, 10 miles, half marathon, marathon, 50K, and a free kids' run for children 6 years and younger. The event features scenic courses with spectacular views of the San Francisco Bay Ar..

The South Hills Single Track Trail Run - Summer, held at Calero County Park in San Jose, CA, offers a variety of distances including 50K, trail marathon, 16-mile, half marathon, 9-mile, 10K, 5K, mile, and a kids run. The course features challenging single track trails, hills, dirt paths, oak trees,..

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..

The Mt. Umunhum Marathon, Race to the Top and Down, is a challenging trail running event held in Almaden Quicksilver County Park, San Jose, California. This marathon features a rugged course that begins at the Hacienda Entrance and ascends to the summit of Mt.Umunhum, one of the prominent peaks in t..

The Rocky Ridge Trail Half Marathon is a challenging trail race held in the scenic Las Trampas Wilderness near San Ramon, California. Scheduled for September 20, 2025, the event features a half marathon, 10K, and 5K distances. Known for its tough terrain and significant hills, the half marathon is n..

The Dick Collins Firetrails will take place in Castro Valley from Saturday 27 September 2025 to Sunday 28 September 2025. You can run between 42 and 100 kilometers.

The Spartan Trail - San Jose Trail Challenge takes place at Sanborn County Park in Saratoga, California, nestled on the eastern slopes of the Santa Cruz Mountains. This scenic event offers challenging trail runs with distances of 10K, 21K (half marathon), and 50K. Participants navigate steep climbs..