Annadel Half Marathon

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 Big Alta is an exciting trail running event taking place in Marin County, California, organized by Freetrail and Daybreak Racing. Participants can choose between two challenging distances: a 50K and a 28K, both featuring scenic single-loop courses that showcase breathtaking views of the San Fran..

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 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 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 navigate through the scenic Robert Louis Stevenson State Park, with courses that include steep climbs and stunning views of ..

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..