My decision to register for a 100-mile ultra was hardly spontaneous. I’ve been building mileage and mentally preparing for it since 2013 when I finished my first 50-mile ultra. A few months ago I chose Run Rabbit Run, a 100+ mile race with 21,000 feet of climbing through Steamboat Springs’ surrounding mountains. I’ll have 36 … More 100 Miles Isn’t So Crazy, Right?