The Year’s Most Epic Slacklining Video

It's understandable if you think Théo Sanson's slacklining feat is a hoax on your first watch. But play it a few more times and you'll eventually appreciate the Frenchman's 1,640-foot walk rigged between The Rectory and Castleton Tower in Castle Valley, Utah, on November 15.

The 28-year-old professional slackliner is known for his extraordinary ability to balance across lines high and far — in 2012, he notably walked an 820-foot-high line that ran 361 feet across in Gorges du Verdon, France. But no walk was greater than his accomplishment in Utah. Camp 4 Collective captured the exploit. The respected production company's client list includes Northface, Apple, Land Rover, and ESPN. Because of the walk's distance, it is being considered a new slackline world record.