Supermoto Racing at San Mateo Expo (07/27/2010) New Motorcycles, Super Moto Racing, Demo Rides, Historic Race Bikes, Celebrities, Seminars and More The International Motorcycle Shows ® has partnered with Supermoto USA to bring a full weekend of Supermoto racing to the International Motorcycle Show’s second tour stop at San Mateo County Expo Center, November 19-21. International Motorcycle Show attendees in San Mateo will be entertained with indoor/outdoor Supermoto racing action on a dirt/asphalt combo course. READ MORE