Napa Valley Endurance Run

The Lake Sonoma 100 Miler is a unique and exciting ultra-running event held in Geyserville, California. This challenging race features approximately 27,000 feet of elevation gain over 100 miles of predominantly singletrack trails, making it suitable for seasoned trail runners. The event fosters a fe..

The Napa Valley Trail Marathon, Half Marathon, and 10K is a scenic running event taking place in Bothe-Napa Valley State Park, California, on March 22, 2025. Celebrating its 33rd year, the event features challenging courses with beautiful landscapes, including hills, streams, and rocky trails. Parti..

The Annadel Half Marathon, along with its 10K and 5K events, is a non-profit fundraising race held in Sonoma County, California. Over the past 14 years, it has successfully raised funds to enhance the beauty of Annadel State Park. The challenging half marathon course features over 1,500 feet of elev..

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 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 Napa Wilderness Trail Runs, hosted 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 beginners..