Napa Valley Trail Marathon

The Lake Sonoma 100 Miler, also known as "Sufferfest," is an exciting and unique 100-mile trail running event held in Geyserville, California. The race features a challenging course with approximately 27,000 feet of elevation gain, primarily on non-technical singletrack trails. Participants can enjo..

The Annadel Half Marathon, along with its 10K and 5K events, is a non-profit fundraising race held in Sonoma County, designed to enhance the beauty of local parks. Celebrating over 14 years, this event features a challenging half marathon course with significant elevation gain, ideal for experienced..

The Lake Sonoma 50 is an exciting running event taking place in Healdsburg, California, featuring a 50-mile race, a marathon, and the Trail Sisters Half Marathon. Scheduled for April 12, 2025, this event is presented by adidas TERREX and includes live streaming coverage, athlete panels, and special ..

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 trails of Robert Louis Stevenson State Park, with the 50k route noted for its steep elevation gain of ov..

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 challenging distances: a 1 Mile Kids Run, a 10K, and a 26K, catering to runners of all ages and abilities. This cuple..

The Napa Wilderness Trail Runs, hosted by Bay Trailrunners, takes place at Skyline Wilderness Park and offers 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 beginners. Particip..