Trail Running calendar near Sacramento 2025-2026

The Cool Moon Trail Races, held in Cool, California, offer a variety of distances including 100K, 50-mile, 25-mile, 13.5-mile, 11.5-mile, and 5K races. The course features two main loops: a 13.5-mile North loop and an 11.5-mile South loop, combining single track trails and fire roads with scenic vie..

The Cool Moon 100 Mile Endurance Run is a challenging ultramarathon held in Cool, California. The race features a 100-mile course composed of four loops of two distinct trails: a 13.5-mile North loop with approximately 2,200 feet of elevation gain, and an 11.5-mile South loop with about 1,150 feet o..

Dirt Circus - San Francisco is a free community running event held in San Francisco, California, celebrating local trail running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 3.2 or 4.5 miles, welcoming all paces and encouraging participants to..

The Angel Island Half Marathon, hosted by Urban Coyote Racing, takes place at Ayala Cove in Angel Island State Park, Marin County, California. This unique event offers both a half marathon and a 5-mile race, with participants enjoying stunning 360-degree views of the San Francisco Bay. The course fe..

The Woodmonster Trail Race is a challenging 10-mile trail run held in Oakland, California, starting and finishing at the Chabot Space & Science Center. The course features a mix of hills and single-track trails, including the notorious Woodmonster climb, known for its steep and demanding ascent. Run..

The Rock the Loch Half Marathon is a running event taking place from June 27 to June 30, 2025, at Lake Chabot Regional Park in Castro Valley, CA. Participants can choose to run in person or virtually, with options for a half marathon, 10K, and 5K distances. The event promises a scenic trail run, com..

The Bay 2 Bankers 10K is a unique running event held in San Francisco, starting near the iconic Ferry Building. Now in its 13th year, the race features a mystery theme celebrating the classic vibes of the city. Participants run through various historic neighborhoods, navigating from checkpoint to ch..

The Dirty Dozen Run is an annual endurance trail running event held at Point Pinole Regional Shoreline in Richmond, California. Scheduled for July 12, 2025, it features 12-hour, 6-hour, and 3-hour races on a scenic 3.37-mile loop composed mostly of dirt fire trails. The course offers expansive shore..

The Muir Woods Mountain Challenge, held at Mt. Tamalpais State Park near Stinson Beach, California, offers trail runs of 10K, half marathon, and 30K distances. The course features a challenging 2,000-foot climb early on, scenic ridge-line views of Stinson Beach and the Pacific Ocean, and technical s..

Blood, Sweat & Beers is a trail running event held in Auburn, California, nestled in the scenic American River Canyon. The race offers two challenging distances: a Long Course of 10.5 miles with 2,471 feet of elevation gain and loss, and a Short Course of 5.9 miles with 863 feet of elevation change...

Mountain Tiger Donner Summit is an 11-mile point-to-point mountain trail race held on Donner Summit in Tahoe, California. The challenging course features four summits and extensive ridge running along Sugar Bowl and Royal Gorge trails, with 3,300 feet of elevation gain starting at 7,000 feet altitud..

The Lost Sierra Endurance Race, held in Downieville, California, offers a challenging trail running experience through the scenic Sierra Nevada mountains. Scheduled for July 26, 2025, the event features three distances: 25K, 50K, and 100K. The 100K is an out-and-back course from Downieville to Pluma..

The Folsom 100 is an exhilarating 100-mile ultramarathon that takes place around Folsom Lake, California. Scheduled for August 1, 2025, this challenging race features a point-to-point course with a single out-and-back section. Participants have 34 hours to complete the loop, which includes stunning..

The Rodeo Valley Trail Run, held in the scenic Marin Headlands near Sausalito, CA, 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 stunning view..

The Point Mariah Trail Marathon, hosted by Donner Party Mountain Runners, takes place near Truckee, California, at the Soda Springs Ski Resort. This unique trail marathon covers approximately 26.4 miles with about 4,300 feet of elevation gain, featuring a multi-loop course through the protected Roya..

The Skyline 50K Endurance Run, held annually in August at Lake Chabot Marina in Castro Valley, California, is one of the oldest continuously running 50K races in the U.S. The course features a large loop through the scenic East Bay Regional Parks, reaching Skyline Gate. Known for its welcoming atmos..

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, through the scenic Briones Regional Park. The course is known for its challenging terrain with many hills, making it ideal for trail enthusiast..

The Redwood (Summer) Trail Run is an exciting running event taking place in Oakland, California, featuring a variety of race distances including a 5-mile run, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The course winds through the scenic Redwood..

The Tamalpa Headlands 50K is a challenging ultramarathon held annually in Marin County, California, near San Francisco. The single-loop 50-kilometer course features approximately 6,500 feet of elevation gain and includes iconic trails such as Coastal, Miwok, Steep Ravine, Matt Davis, and Dipsea. Run..

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..