You're exactly right. The clip is professionally edited from multiple runs to make it "look" like it's one single run. In the first opening scenes, there is a suction-cup camera mounted on the left-front fender (and nothing on the right-side of car); then in later shots, there is a C-pillar camera mounted on the passenger-side (and nothing on the left-side of car). Nevertheless, Ken Block is one heck of a talented driver to pull off such maneuvers. His pinpoint precision driving is simply incredible and poetry in motion. Further, it would be nice to have an abandoned airfield to play on as well.