It's quite clear they weren't going to let him go, so why not just comply and wait till they called the police eventually, once their ego was stroked enough obvsly. Or better yet, call the police yourself?If he kept on running he'd be shot in the back. I'd take my chances trying to get the gun off one then get taken out like a bird.
He tried to avoid the guy on the left by going around the truck once he was aimed at.