Quicksilver Endurance Runs

The Quicksilver Endurance Runs, taking place in San Jose, CA, features both 50K and 100K races on scenic, hilly trails. Celebrating its 40th edition, the event offers runners a chance to experience beautiful oak forests, meadows, and stunning views of the Santa Clara Valley and Santa Cruz Mountains. The challenging courses include significant elevation gains and are designed for both seasoned ultra-marathoners and those new to trail running.

A portion of the proceeds supports non-profits focused on children's health and trail advocacy. The event emphasizes community involvement, with over 100 volunteers assisting throughout the race. Visit the organization's website for the most recent information.