Trail Running calendar near Lake Sonoma 2024-2025

The Ruth Anderson Memorial Endurance Run, taking place on October 12, 2024, in San Francisco, CA, is a celebrated ultra-distance running event that has been held since 1986. Participants can choose between 50 km and 50 miles, with a scenic, mostly flat 4.48-mile loop course around Lake Merced. Runne..

The California Fall Classic 100K and 55K at Lake Sonoma is a premier ultra-running event set for October 19, 2024. This race, previously known as the Lake Sonoma 100K, features challenging courses that traverse scenic single-track trails with stunning views of Lake Sonoma amidst the picturesque wine..

The Lake Sonoma 100K / 55K will take place in Lake Sonoma on Saturday 19 October 2024. You can run between 55 and 100 kilometers.

The Napa Fall Wine Country Marathon is a scenic running event held annually in Bothe-Napa Valley State Park, California. Celebrating its 32nd year, the marathon features a challenging course with lush single-track trails, hills, and streams, making it a rewarding experience for participants. The eve..

The Mt. Tam Trail Run, taking place at Stinson Beach, CA, offers a challenging and scenic experience for trail runners of all levels. Participants can choose from four distances: 50K, 30K, half marathon, and 10K, with a total capacity of 500 runners.The course features stunning views as it climbs Mt..

The Golden Gate Trail Classic, organized by Spartan Trail, is an exciting running event set in San Francisco, California, scheduled for November 23-24, 2024. Participants can choose from various distances, including 15K, 25K, 50K, and 50 miles. The race offers a unique experience as runners traverse..

The Quad Dipsea is a challenging 28.4-mile trail running event held in Mill Valley, California, featuring approximately 9,000 feet of elevation gain. The course includes steep stairs, rugged terrain, and scenic views, taking participants through iconic locations such as Muir Woods and Stinson Beach...

The Peacock Gap Trail Run, set in the scenic China Camp State Park in San Rafael, CA, offers participants a choice of three distances: 10K, Half Marathon, and 30K. Runners will enjoy a diverse trail network featuring views of Mt. Tam, San Pablo Bay, and San Francisco Bay, with a mix of single-track ..

The Hunter S. Thompson Fear & Loathing event, taking place on December 8, 2024, in San Francisco, CA, offers a unique urban running experience with 50-mile and 50K options. Participants will start at Twin Peaks, navigating a scenic course that showcases the city's landmarks while embracing the spiri..

The Hark the Herald Half Marathon & 10K, now in its 36th year, takes place on December 14, 2024, at Angel Island State Park in Belvedere Tiburon, CA. Participants can enjoy a scenic loop trail that offers stunning views of the Golden Gate Bridge, San Francisco, and Alcatraz Island. The half marathon..

The China Camp Challenge is a running event featuring 5K, 10K, and Half Marathon distances, set in the scenic China Camp State Park in San Rafael, California. Participants can enjoy beautiful trails surrounded by nature, including views of the San Francisco Bay and diverse wildlife. The event offers..

The Golden Gate Trail Run, set for February 1, 2025, in Sausalito, 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. Participants can enjoy stunning views of the Pacific Coast and the Marin Headla..

The Lake Sonoma 100 Miler is a unique and exciting trail running event held in Geyserville, California. This challenging race features approximately 26,000 feet of elevation gain over 100 miles of predominantly singletrack terrain, making it suitable for seasoned trail runners. The event fosters a f..

The Marin Ultra Challenge is a premier long-distance trail race held in Marin County, featuring a 50 Mile and a 50K course. Celebrating its 11th edition, the event showcases some of the most scenic trails in the region, including the Marin Headlands, Mt. Tamalpais, and Muir Woods.Participants can ex..

The Napa Valley Trail Marathon is a scenic running event held annually in Bothe-Napa Valley State Park, California. The 2025 edition, marking its 33rd year, features a challenging course with lush single-track trails, hills, and streams, attracting up to 300 participants. Runners can choose from thr..

The Big Alta is an exciting trail running event taking place in Marinwood, California, organized by Freetrail and Daybreak Racing. Participants can choose between two challenging single-loop courses: a 50K and a 28K, both offering breathtaking views of the San Francisco Bay Area. The routes feature ..

The Lag Bon 10K is a trail running event set in the scenic surroundings of Marin County, California, aimed at raising awareness and funds for the global water crisis. Participants will navigate a moderately challenging course featuring stairs, bridges, and natural terrain, with an elevation gain/los..

The Golden Gate Headlands Marathon, Half Marathon, and 10K is a scenic running event held annually in the Marin Headlands, California. Celebrating its 40th edition in 2025, participants can enjoy breathtaking views of the Golden Gate Bridge, San Francisco Bay, and the Pacific Ocean along a mix of si..

The Annadel Half Marathon is a prominent 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 the local park. The half marathon course is designed for ..

The 2025 Romancing the Island Half Marathon & 10K, taking place at Angel Island State Park, is the 34th annual running event that offers participants stunning views of the Golden Gate Bridge, San Francisco, and surrounding areas. The half marathon features a challenging loop course completed twice, ..