Annadel Half Marathon

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. The race takes participants through the scenic Robert Louis Stevenson State Park, offering stunning views and technical trails. The 50k c..

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 race distances: a 1 Mile Kids Run, a 10K, and a challenging 26K course. This family-friendly event encourages partici..

The Napa Wilderness Trail Runs, organized by Bay Trailrunners, takes place at Skyline Wilderness Park in Napa, California. This event caters to all levels of trail runners, offering a variety of distances including a 40-mile ultra marathon, 50K, 30K, half marathon, and 10K. The courses feature sceni..

The Sonoma Coast Trail Runs, organized by SkyBreaker Racing, is a scenic running event set in the stunning Sonoma Coast State Park in Northern California. Participants can choose from various distances, including a 50K, Trail Marathon, 30K, and Half Marathon, all featuring breathtaking views of the..

The California Fall Classic at Lake Sonoma features two challenging ultra-distance races: a 100K and a 55K, set against the stunning backdrop of wine country. Scheduled for October 18, 2025, this event is ideal for runners seeking a late-season challenge or a chance to qualify for the Western States..