Welcome to The Big Alta! This event is the latest collaborative trail racing experience from Freetrail and Daybreak Racing, located in trail-famous Marin County, California! With every step, these thoughtfully crafted single-loop courses provide an unforgettably scenic trail race experience. On the home trails of Freetrail, The Big Alta offers three race distance options: a tough, inspiring 50K, a BRAND NEW point-to-point 100k, and a shorter yet equally exhilarating 28K.