Trail Running calendar near Mendocino 2025-2026

The Grasshopper Peak Redwoods Run is an annual trail running event held in Humboldt Redwoods State Park near Weott, California. Celebrating its 10th year, the race offers two distance options: a 30K and a 10.5-mile run. Both courses feature a challenging climb up Grasshopper Peak followed by a sceni..

The Mendocino Running Festival, held in Mendocino Woodlands Park, California, offers a unique running experience amidst ancient redwoods and scenic trails. Participants can choose from a 10K, half marathon, or timed 6- and 12-hour races on a challenging 6-mile loop featuring single-track trails, log..

The Lake Sonoma 100K and 55K, also known as the California Fall Classic, is a challenging ultramarathon held at Lake Sonoma, California, set amidst the scenic wine country during harvest season. The event features two distances—100 kilometers and 55 kilometers—on demanding courses that traverse mile..

The California Fall Classic at Lake Sonoma, held in Healdsburg, CA, offers two challenging ultramarathon distances: 100K and 55K. Set against the stunning backdrop of wine country during harvest season, the courses feature relentless single-track trails with majestic views of Lake Sonoma. The 100K s..

The Lost Coast 55K is a challenging ultramarathon held in Humboldt County, California, starting at the Horse Mountain Creek Trailhead near Whitethorn. Covering 34.3 miles with approximately 6,500 feet of elevation gain, the course features a mix of rough backcountry gravel roads, quiet pavement, and..