Trail Running calendar near Healdsburg 2025-2026
We have found 57 Trailruns within 80 miles of Healdsburg. See below where and when you can find the races.
Distance (km)
Articles
Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary
Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..
Trail Running: How it Can Help Reduce Stress and Anxiety
Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..
Trail Running vs. Road Running: Which One Is Right For You?
When it comes to running, there are two primary options to choose from: trail running and road..
The Bad Ass Backyard Ultra (B.A.B.U.) is an endurance running event held at Dry Creek Parkway in Rio Linda, California, near Sacramento. Participants run a 4.16-mile loop every hour, starting on the hour, with each loop called a "yard." Runners must be ready to start each new loop on time or face el..
April 2026
The Lake Sonoma 50 is a premier trail running event held in Healdsburg, California, featuring a 50-mile ultramarathon, a marathon, and the Trail Sisters Half Marathon. Set against the scenic backdrop of Lake Sonoma, the races offer challenging courses through beautiful natural terrain. The event fos..
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. Starting and finishing at the Calistoga Fairgrounds, the courses traverse scenic Robert Louis Stevenson State Park and ascend to the top..
The Mendocino Coast 50K is a scenic ultra trail run held along Northern California’s Mendocino Coast. The 50-kilometer course features diverse natural landscapes including a river, ocean views, towering redwoods, and a waterfall, offering runners a spectacular and varied trail experience. The race s..
May 2026
The Miwok 100K is a renowned trail ultramarathon held near Stinson Beach, California, just under an hour from San Francisco. The challenging 100-kilometer course features 11,800 feet of elevation gain across single-track trails, dirt roads, and a short paved section. Runners enjoy stunning views of..
The Tails & Trails Charitable Walk/Run takes place in Windsor, California, at 11010 Estate Lane. This event offers a 5K run and a Dogwood Dash, with a virtual option allowing participants to complete any distance. The event supports a charitable cause and provides a welcoming atmosphere for runners..
The Muir Woods Marathon, organized by Enviro Sports, is a trail running event held near Stinson Beach, California. It offers multiple race distances including a full marathon, half marathon, and a 7-mile run. The course features scenic trails through the iconic Muir Woods and surrounding natural lan..
The Waves & Whales 5K Trail Run is an annual event held on the Mendocino Coast in Point Arena, California. The scenic course starts behind City Hall in a conifer forest near Highway 1, follows coastal bluffs along the Point Arena-Stornetta Unit of the California Coastal National Monument, and loops..
The Rim Rock 50 Mile Trail Challenge is an inaugural ultramarathon set for May 16, 2026, in Napa Valley, California. Starting at Skyline Wilderness Park, the race covers approximately 50 miles through rugged, scenic trails including the Napa Open Space Preserve and the newly opened Suscol Headwaters..
The Napa Wilderness Trail Runs, held at Skyline Wilderness Park in Napa, California, offer a variety of trail running distances including 10K, 21K (half marathon), 30K, and a challenging 50K ultra marathon. The courses feature scenic routes with steep climbs, notably the Rim Rock Trail, providing st..
Sonoma Coast Trail Runs, hosted by SkyBreaker Racing, take place in Sonoma Coast State Park near Duncans Mills, California. The event offers multiple distances including a 50K, trail marathon, 30K, and half marathon, all featuring challenging elevation gains ranging from 2,800 to 7,000 feet. Runners..