Cheatin' (2013)
X < 80 minutes
"To say that something, like time, is a social construction is not to say that it doesn’t exist or it is merely an illusion." Some schmuck on the internet. That said, movies are measured in minutes. Let's have a timely, meticulous discourse on your longest singular cinematic journey over here.
*Singular movie. Not including movie marathons. Movie = X.