It's this type of person that has led to the creation of the Darwin Awards! For those that have shown great creativity in developing new ways to remove oneself from the gene pool. I think you're being much too 'generous' in calling the Running of the Bulls a 'sport'.
It's people like those runners, that keep us in business. As long as there are stupid people doing stupid things (either to themselves, or others), we WILL have job security!