Lost Coast 55K

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 about 6,500 feet of elevation gain, the course features a mix of rough backcountry gravel roads and quiet pavement. The route ascends Saddle Mountain, offering potential Pacific Ocean views, then descends to Honeydew, the lowest elevation point with amenities like a market and food options. Runners return along a scenic, remote path with occasional water crossings. The event is known for its rugged, minimally trafficked terrain, appealing to adventurous runners seeking a wild, remote experience. Visit the organization's website for the most recent information.