Calero Trail Run - Winter

The Calero Trail Run - Winter is a versatile trail running event held at Calero County Park in San Jose, California. It offers a range of distances including a 50K, trail marathon, 25K, half marathon, 15K, 10K, 5K, mile, and a kids run, catering to all levels of runners. The course features scenic single-track trails, challenging hills, oak tree landscapes, and panoramic views, making it an excellent training ground for endurance events like the Western States.

The race includes well-marked routes with aid stations and commemorative medals for finishers. Registration and bib pick-up occur on race day, with detailed course maps available online. Visit the organization's website for the most recent information.