Calero Trail Run - Winter

The Calero Trail Run - Winter takes place at Calero County Park in San Jose, California, offering a variety of distances including 50K, trail marathon, 25K, half marathon, 15K, 10K, 5K, mile, and a kids run. The course features diverse terrain with single track trails, hills, dirt paths, oak trees, and panoramic vistas, making it a challenging and scenic experience. The 50K distance serves as excellent training for the Western States race, incorporating heat exposure and elevation.

The event provides marked courses, aid stations, and commemorative medals for finishers, creating a supportive atmosphere for trail runners of all levels. Visit the organization's website for the most recent information.