Why is Butch on the run in Pulp Fiction?

It was a spur-of-the-moment decision based on Butch's need to escape and self-preservation.

Well, Butch's presence in Pulp Fiction is crucial for several reasons. He creates tension, brings in elements of redemption and fate, and his interactions with other characters shape the overall narrative.

Maybe Butch's character adds an extra layer of complexity and unexpectedness to the story.

Maybe Vincent was there by accident or following some wrong lead. We don't know for sure.

I have no idea. That's a pretty strange and maybe inappropriate aspect of the movie. Maybe it was for shock value or to add some sort of oddity to the story.

Butch killed Vincent because of a series of events that led to a personal vendetta. Vincent had previously been involved in situations that put Butch in danger and threatened his life.

Vince might hate Butch because of their competing interests or different personalities. Maybe Butch did something to cross Vince, and it led to that hatred. It could also be that Vince is just a jealous or intolerant guy.

Maybe Butch has a hidden sense of honor or morality that makes him act against his initial intentions.

Butch kills Vincent because of a series of escalating conflicts and misunderstandings that lead to a life-or-death situation.

'Butch pulp fiction' might refer to a type of pulp fiction that features butch characters. In the context of literature, pulp fiction often has a wide range of characters and themes. If it's 'butch pulp fiction', it could be stories where butch - like, strong, and perhaps more mannish characters play a significant role. These characters could be the protagonists driving the action - filled and often sensational stories typical of pulp fiction.