Dean wasn't shocked that the kid was high tailing it far away from him, but as a demon he was certainly faster. Much faster. That didn't mean he used that speed to it's full capacity, no, he would toy with him. Let him run as far as his little legs could carry him and then get him in the end. When he was ready, when it was time. He was hot on his tracks, grinning carefree and open at the kid's panic. It was intoxicating. The hitching of his breath, the fact that he was going to attempt to find some place to hide and he would let him. Let him believe in a false sense of security and then spring hell on him like a rat in a maze.
He pretended to stumble and let Sam get further away. “Fuck!,” he cursed, though he didn't really mean it. He wasn't uncordinated at all. He came on his tail again, laughing. “Sam. That doesn't matter. You're still a Sam and you're just as good for me to fuck with, little brother.”