The Race to Robie Creek is a challenging 13.1-mile half-marathon known as “the toughest race in the Northwest,” featuring a significant elevation gain and descent through the Boise foothills. This iconic event draws participants to experience its rugged terrain and scenic views, culminating in a festive post-race celebration. The race starts at Fort Boise, and finishes at Robie Creek Park, and is a beloved event in the Boise Idaho area.