Trail Running calendar near Lake Sonoma 2024-2025

We have found 29 Trailruns within 80 miles of Lake Sonoma. See below where and when you can find the races.

The Lake Sonoma 50 is a premier running event taking place on April 12, 2025, in Healdsburg, California. It features three main races: the challenging 50-mile course, a marathon that loops around Lake Sonoma, and the Trail Sisters Women's Half Marathon. Participants can expect scenic routes with rol..

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 Robert Louis Stevenson State Park, with routes that include steep climbs and technical trails, offering ..

The Mendocino Coast 50K is a scenic trail running event set in Northern California's stunning Mendocino Coast. Participants will experience a diverse landscape that includes rivers, ocean views, majestic redwoods, and beautiful waterfalls. The race culminates along the bluffs of Mendocino Village, p..

May 2025

The Miwok 100K is a renowned trail ultramarathon set in the stunning landscapes of Marin County, California. Known for its challenging course featuring 11,800 feet of elevation gain, runners are treated to breathtaking views of iconic landmarks such as the Golden Gate Bridge and Mount Tamalpais. The..

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

The Napa Wilderness Trail Runs, hosted by Bay Trailrunners at Skyline Wilderness Park, offers a variety of trail running distances, including 40-mile, 50K, 30K, half marathon, and 10K options. This event caters to all levels of runners, from seasoned ultra-marathoners to beginners. Participants can ..

The Sonoma Coast Trail Runs, organized by SkyBreaker Racing, offers a scenic running experience through the stunning trails and fire roads of Sonoma Coast State Park in Northern California. Participants can choose from various distances, including a 50K, Trail Marathon, 30K, and Half Marathon. The c..

June 2025

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

August 2025

The Tamalpa Headlands 50K is a challenging ultramarathon set in the scenic Marin County, California, featuring a single-loop course that showcases iconic trails such as Coastal, Miwok, and Dipsea. Established in 1998, this event offers approximately 6,500 feet of elevation gain, combining fast fire ..