Stiletto Run-Races! Crazy Isn't it!

No, I'm not kidding! These "runs" are done all over the world. I think it started in Berlin? The craziest one I saw on Youtube. These poor women (and men) were running in rain with leaves all over the road. Dangerous, huh?
http://www.youtube.com/watch?v=i-LXwb-Le0A