Denver, Colorado holds the last of the five qualifying rounds, the course featuring the Quintuple Steps, Cat Grab, Spinning Log, Spikes into Cargo, Devil Steps, and Warped Wall. Veteran ninjas include top competitor Brian Arnold, with Paul Kasemir, L... (more)ance Pekus, Isaac Caldiero, and Noah Kaufman, while farmer Ian Dory and climbing coach Meagan Martin take on the course for the first time.