Trail Running calendar near Duncans Mills 2024-2025

The Diablo Trails Challenge is a running event taking place on April 5, 2025, at Mount Diablo, featuring multiple race distances: 50K, half marathon, 10K, and 5K. Organized by Brazen Racing, this event caters to runners of all experience levels, from beginners to seasoned ultra-runners. A portion of..

The Annadel Half Marathon is a non-profit fundraising event held in Sonoma County, featuring a challenging half marathon, a 10K, and a 5K race. Over the past 14 years, the event has successfully raised funds to enhance the beauty of Annadel State Park. The half marathon course is designed for experi..

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 historical military landmarks along the routes. T..

The 2025 Romancing the Island Half Marathon & 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 breathtaking views of the Golden Gate Bridge, San Francisco, and surrounding areas. Pa..

The Lake Sonoma event, scheduled for April 12, 2025, in Healdsburg, California, features three races: the TERREX Lake Sonoma 50 Mile, a Marathon, and the Trail Sisters Half Marathon. This year, adidas TERREX is the presenting partner, enhancing the event with livestream coverage, athlete panels, and..

The SPASM Lake Chabot Trail Run is a diverse running event scheduled for April 12, 2025, at Lake Chabot Regional Park in Castro Valley, California. Participants can choose from various distances, including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 ..

The Napa Valley Endurance Run is a challenging trail running event held in Calistoga, California, featuring four race distances: 50k, 35k, half-marathon, and 10k. Participants traverse the scenic and rugged trails of Robert Louis Stevenson State Park, with the 50k course boasting over 7,500 feet of ..

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

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 a scenic coastal ridge trail that offers stunning views of the Pacific Ocean and surrounding landscapes. Participant..

The No Foolin' Foot Race is an annual running event organized by the Parks and Recreation Foundation of San Carlos, featuring challenging 5k and 10k courses through the scenic Big Canyon and Eaton Parks. Participants can enjoy a Start and Finish Festival at Crestview Park, with professional timing a..

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 trails of Napa Valley’s Pacific Union College. Scheduled for May 5, 2024, it features three race distances: a 1 Mile Kids Run, a 10K, and a 26K, catering to runners of all ages and abilities. This cupless event encourages..

The Stinson Beach/Muir Woods Marathon, Half Marathon, and 7 Mile event is set to take place on May 10, 2025, marking its 35th annual occurrence. Participants will experience a challenging trail run that begins at sea level and ascends into the scenic Muir Woods, following the iconic Dipsea trail. Th..

The 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 transformati..

The Grizzly Peak Trail Run, scheduled for May 10, 2025, in Berkeley, CA, offers a variety of race distances including a 10K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The event starts at Lake Anza and winds through the scenic Tilden Regional Pa..

The Pacifica Foothills Trail Run is an exciting trail running event held in San Pedro Valley County Park, Pacifica, CA. Participants can choose from three distances: 10K, Half Marathon, and 30K, all set against the stunning backdrop of the Santa Cruz Mountains. The course features moderately technic..

The Napa Wilderness Trail Runs, organized by Bay Trailrunners, takes place at Skyline Wilderness Park in Napa, CA, offering a variety of trail running distances including 40 miles, 50K, 30K, half marathon, and 10K. This event caters to all levels of runners, from seasoned ultra-marathoners to beginn..

The Sonoma Coast Trail Runs, organized by SkyBreaker Racing, is a scenic running event held in Sonoma Coast State Park, California. Participants can choose from various distances, including a 50K, Trail Marathon, 30K, and Half Marathon. The courses offer breathtaking views of the coastline, traversi..

The Wildcat Half Marathon, scheduled for May 31, 2025, in El Sobrante, California, features a scenic trail race with options for a half marathon, 10K, and 5K. Participants can enjoy breathtaking 360-degree views of the Bay Area, including landmarks like the Golden Gate Bridge and Alcatraz. The event..

The Cinderella Trail Run, scheduled for June 1, 2025, in Oakland, CA, offers a variety of race distances including an 8K, Half Marathon, 30K, Marathon, and 50K, along with a free Kid's Run for children aged 6 and under. The scenic course winds through Joaquin Miller and Redwood Regional parks, featu..