-- Posted by liferocks at 9:45 am on Nov. 16, 2008 can anyone think of any not very well known extreme sports? Like free-running before it became famous. -- Posted by spartan09 at 9:54 am on Nov. 16, 2008 I couldn't think of anything good. http://en.wikipedia.org/wiki/Extreme_sports Wikipedia has a nice article on it, though. -- Posted by VonGuy1 at 9:55 am on Nov. 16, 2008 Sand boarding- it's like red-neck snow boarding only it's done on huge sand hills.