YIKES!!! Ice Drag Races With Cars! Check it out!!

They road race Jeeps on ice out here with 6" studs. http://www.ourgangiceracing.com/JimmyVideo.html

Here's some Colorado motorcycle ice racing.
http://www.youtube.com/watch?v=c2AfHi8v1XQ

This one has a much better soundtrack :)
http://www.youtube.com/watch?v=54nJKHHp3Rk