Video clips from a kart race that combined AMA Pros, World Superbike riders, members of our Military, a member of the media and a fan at the Inaugural BigM Weekend Superbike Super Celebrity Mega Kart Showdown At Miller Motorsports Park. Be sure to check out other Roadracing World feature videos. Video provided by ~http://www.OnTheThrottle.tv~ and ~http://www.YouTube.com~