When 295 mountain bikers sign up for a race that is run over a 2 hour time slot, chains optional, you know it''s going to be a good time. Just a $2 race entry,  this is the cheapest, and some say most fun, form of racing out there.  In this video, Goldstein Productions gets the dirt on this infamous Whistler Mountain Bike Park race series, from organizers, ladies, and guys who have been racing them from the start.