I started out as the last runner on purpose. When I reached the Ws, the backup was mostly gone although there were a few times when the line came to a brief halt. About half way up the Ws, I passed two different runners with their arms resting on the top rail of the fence. They were totally gassed (out of breath). These were not old farts with potbellies, but appeared young and fit. I guess the mountain won that one.