Trail Running calendar near Martinez 2025-2026

Woodside Ramble, staged in Huddart and Wunderlich County Parks on the San Francisco Peninsula, offers 10K, Half (13.2 miles), 35K, and 50K trail options. The course runs through forested slopes, cool canyons, and streams beneath towering redwoods, climbing into mixed evergreen forests and ridgelines..

The Brazen New Year's Eve event, held at Lake Chabot in Castro Valley, California, offers runners and walkers the opportunity to participate in a half marathon, 10K, and 5K trail races. This festive race encourages participants to close out the year with a scenic run on beautiful trails, welcoming a..

Brazen New Year's Day is an annual running event held at Lake Chabot in Castro Valley, California. It offers a scenic and challenging course with three distance options: a half marathon, 10K, and 5K. The race takes place on January 1st, providing a festive and invigorating way to start the new year...

The Hacienda Hills Trail Run - Winter will take place in Downtown San Jose on Saturday 3 January 2026. You can run between 5 and 50 kilometers.

The IPA Beer Trail Runs, held at Granite Beach in Folsom Lake State Recreation Area, offer two scenic trail race options: a 5K and a 12K along well-marked single-track paths with beautiful lake views. The event combines challenge and fun, culminating in a festive atmosphere where runners over 21 can..

Crystal Springs Trail Run is a multi-distance trail race in Woodside, California, weaving through Huddart Park, King’s Mountain, and Bear Gulch. The event offers 8K, Half Marathon, 35K, Marathon, 50K, and a free Kids’ Run. Runners traverse towering redwoods, lush ferns, and varied terrain, with cour..

Folsom Lake Sweetwater Trail Run is held at Folsom Lake State Recreation Area, Salmon Falls Parking Lot in El Dorado Hills, California. The event offers multiple distances: Kids Run (1 mile), 5K, 10K, 9 Mile, Half Marathon, 30K, Trail Marathon, and 50K. The course is 95% single-track and 5% dirt roa..

The Gumby 10K and 5K are trail running events held at Granite Beach, Folsom Lake State Recreation Area. The races feature scenic courses along the shores of Folsom Lake, with well-marked trails and enthusiastic volunteers providing support. Aid stations are strategically placed throughout the course..

Pacifica Foothills Trail Run takes place at San Pedro Valley Park, Pacifica, CA. Runners choose among 10K, half marathon, and 30K, all on dirt trails atop Mt. Montara and surrounding foothills.The course is mostly technical single-track with significant elevation gain (approximately 1,200 ft for the..

Coyote Hills Regional Park in Fremont, California hosts Brazen Racing's Coyote Hills event, offering Half Marathon, 10K, and 5K distances. Runners traverse a varied course that includes dirt trails, paved paths, and wooden boardwalks through marshy bay landscapes, with scenic views along the bay. De..

The Escape from Folsom is a trail running event held at Granite Beach, Folsom Lake State Recreation Area. It offers two race distances: a 10-mile run and a 5K (3.1 miles), both featuring scenic trails adorned with wildflowers. The course includes multiple aid stations providing water, electrolyte be..

The Mt. Umunhum Trail Conquest - Winter will take place in San Jose on Saturday 7 February 2026. You can run between 5 and 50 kilometers.

Bay Breeze is a Bay Area running event held at San Leandro Marina Park in San Leandro, California. The race offers Half Marathon, 10K, and 5K distances, all starting and finishing on the bayfront. The mostly-flat bayside course stays close to the water, offering romantic views of the San Francisco B..

Redtail Ridge is an Inside Trail Racing trail run held at Lake Chabot Regional Park in Castro Valley, California. The event offers 5K, 10K, half marathon, 30K, and 50K distances, with a course that mostly uses dirt trails and non-technical fire roads and features long, challenging hills. Lake Chabot..

The Lost Trail Half Marathon and 5K take place at Granite Beach, Folsom Lake State Recreation Area, offering runners scenic lake views and vibrant wildflowers along well-marked courses. The half marathon covers 13.1 miles, while the 5K is 3.1 miles. The event features five aid stations strategically..

Montara Mountain Trail Run takes place at San Pedro Valley Park in Pacifica, California. The event offers six distances: 10K, Half Marathon, 20 miles, Marathon, 50K, and a Kids Run (free). The course climbs Montara Mountain through undisturbed Coastal Mountain habitat with views of the Pacific and s..

Zoom Angel Island is a trail running event on Angel Island, accessible via chartered ferries from Tiburon, California, offering spectacular views of Marin County and San Francisco. Distances include 5 miles, 10 miles, 15 miles, plus a Kids Run (free). The hilly course circles the island and climbs M..

Marin Ultra Challenge is Inside Trail Racing’s premier Marin County long-distance trail race, offering 50-mile and 50K options through the Marin Headlands, Mt. Tamalpais, and Muir Woods, beginning and finishing at Rodeo Beach in Sausalito. The courses are meticulously designed and physically demandi..

2026 Napa Valley Trail Marathon, Half Marathon & 10K takes place at Bothe-Napa Valley State Park in Saint Helena, California. The event offers three trail distances: marathon, half marathon, and 10K. Runners tackle lush single-track with hills, streams, and rocky sections; the course is marked with..

Redwood (Spring) Trail Run is held at the Chabot Space & Science Center in Oakland, California, featuring multiple distances from 5 miles up to 50K, plus a Half Marathon, Marathon, 30K, a 5K, and several youth events. The course winds through Redwood Regional Park, offering spectacular views along t..