There are some wildly crazy forms of motorsport out there, I mean after all can you really get much wilder than school bus figure 8 races? Check out this video from Canada. It shows a race that features big rigs as the weapon of choice, and these aren't your typical truck you see out on the highway. Though they do appear to have been so at one point in their life. Click the link and check it out.
Canadian Big Rig Racing.