Trail Running calendar near Lake Sonoma 2025-2026

The Golden Gate Headlands Marathon, Half Marathon, and 10K is a scenic running event taking place on April 5, 2025, in the Marin Headlands, California. Celebrating its 40th annual edition, the race offers participants breathtaking views of the Golden Gate Bridge, San Francisco Bay, and the Pacific O..

The Annadel Half Marathon, along with its 10K and 5K events, is a prominent non-profit fundraising race held in Sonoma County. Over the past 14 years, it has successfully raised funds to enhance the beauty of Annadel State Park. The challenging Half Marathon course features over 1,500 feet of elevat..

The 2025 Romancing the Island Half Marathon and 10K is set to take place at Angel Island State Park in Belvedere Tiburon, California. This annual event, now in its 34th year, features a scenic loop trail that offers stunning views of the Golden Gate Bridge, San Francisco, and surrounding areas. Part..

The Rodeo Beach Rumble is an exciting running event taking place in the stunning Golden Gate National Recreation Area, near San Francisco. Participants can choose between an 8K and a Half Marathon, both offering breathtaking views of the Bay Area and unique military landmarks along the routes. The e..

The Lake Sonoma event, scheduled for April 12, 2025, in Healdsburg, California, features multiple running challenges, including the 50 Mile, Marathon, and Trail Sisters Women's Half Marathon. This event, presented by adidas TERREX, emphasizes both competition and community, offering cash prizes for..

The Napa Valley Endurance Run is a premier trail ultra event held in Calistoga, California, featuring four challenging races: 50K, 35K, half marathon, and 10K. Participants traverse scenic routes through Robert Louis Stevenson State Park and ascend to the top of Mt. St.Helena, with the 50K often reg..

The Mendocino Coast 50K is an exhilarating trail running event set in the stunning landscapes of Northern California. Participants will experience a diverse course that includes scenic views of rivers, the ocean, majestic redwoods, and beautiful waterfalls. The race culminates along the picturesque..

The Mt. Tam Wild Boar Half Marathon and 10K is an annual running event held at Mt. Tamalpais State Park in Mill Valley, California.Celebrating its 37th year in 2025, the race features scenic coastal ridge trails with stunning views of the Pacific Ocean and surrounding landscapes. Participants can ch..

The 2025 Animal Run features a 10k race, along with a 5k, Canicross, and a 2-mile walk, all taking place at 900 Dornan Drive, Richmond, CA. This event serves as a fundraiser for Rancho Compasión, promoting a community of athletes dedicated to animal kindness and environmental awareness. Participants..

The Miwok 100K is a renowned trail ultramarathon celebrated for its stunning scenery and challenging course, featuring 11,800 feet of elevation gain. Set in the picturesque Stinson Beach area, participants enjoy breathtaking views of San Francisco, the Golden Gate Bridge, and the surrounding natural..

The Angwin to Angwish Trail Run is a scenic running event set in the beautiful Napa Valley, specifically at Pacific Union College. Scheduled for May 4, 2025, the event features three race distances: a 1 Mile Kids Run, a 10K, and a challenging 26K course. This family-friendly event encourages partici..

The Grizzly Peak Trail Run is an exciting running event taking place at Lake Anza in Tilden Regional Park, Berkeley, CA. Scheduled for May 10, 2025, it features multiple race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under...

Nitro Trail 2025 is an exciting running event taking place at Point Pinole Regional Shoreline Park in San Pablo, California. Participants can choose from three race distances: a half marathon, 10K, and 5K, making it suitable for runners of all levels. The event celebrates the park's transformation f..

The Waves & Whales 5K Trail Run is an annual event held in Point Arena, California, showcasing the stunning Mendocino Coast. Participants run through the scenic Point Arena-Stornetta Unit of the California Coastal National Monument, starting in a conifer forest and winding along coastal bluffs. Proc..

The Stinson Beach/Muir Woods Marathon is a challenging trail running event set to take place on May 10, 2025. Celebrating its 35th annual edition, participants can choose from a marathon, half marathon, or a 7-mile race. The course features scenic trails through the iconic Muir Woods, including stee..

The Napa Wilderness Trail Runs, organized by Bay Trailrunners, takes place at Skyline Wilderness Park in Napa, California. This event caters to all levels of trail runners, offering a variety of distances including a 40-mile ultra marathon, 50K, 30K, half marathon, and 10K. The courses feature sceni..

The Sonoma Coast Trail Runs, organized by SkyBreaker Racing, is a scenic running event set in the stunning Sonoma Coast State Park in Northern California. Participants can choose from various distances, including a 50K, Trail Marathon, 30K, and Half Marathon, all featuring breathtaking views of the..

The Wildcat Half Marathon, organized by Brazen Racing, is set to take place on May 31, 2025, in El Sobrante, California. This event features a Half Marathon, 10K, and 5K, all set within the scenic Wildcat Canyon Regional Park, offering breathtaking views of the Bay Area. The race is designed for all..

The SF Half Day is a unique running event taking place in San Francisco, featuring various race formats including 3-hour, 6-hour, and 12-hour options for both solo participants and teams. The course is a scenic one-mile loop around Crissy Field, offering stunning views of the Golden Gate Bridge and..

The China Camp Trail Run, taking place at China Camp State Park in San Rafael, CA, features three race distances: 5K, 10K, and Half Marathon. Participants will enjoy scenic views of Mt. Tam, San Pablo Bay, and San Francisco Bay while navigating through twisting single-track trails and lush forests.T..