Indianapolis, Indiana hosts the third qualifying round of 2016. The obstacles are the Floating Steps, Rolling Log, Fly Wheels, Disc Runner, Swinging Spikes, and Warped Wall. Veteran ninjas include rock climbers Meagan Martin, Brian Arnold, and Ian Do... (more)ry, plus wedding photographer Jake Murray, while Indycar’s Helio Castroneves and NASCAR’s Ricky Stenhouse Jr. take on the course for the first time.