What are the demographics of Indy racing?

Where were the drag racing scenes in Parenthood filmed? WhIch country has produced the most Formula 1 champions? Why are there go karts? What information is available on the Transworld Motocross website? Is Kurt Busch still married? Could it be a miscarriage if you are bleeding when you go to the bathroom and bleed lightly while just sitting aroung and you have bled out 2 large clots while using the bathroom? If you can sprint at the end of a race does it mean you haven't worked hard enough? Who drove the number 29 car in the 2012 Daytona 500? How often is Formula 1 shown on TV? What episode did Subaru and Misora first meet? What is the pit speed limit for the Daytona 500? Mercedes SLR McLaren vs Porsche Carrera GT? Who is Sean Cantrell? What is the cost to make the Thrust SSC? Why was there no flyover at the Daytona 500? What was the first Subaru rally car? How much is dale Sr and Dale Jr autographed never used daytona 500 ticket worth sr signed one side and jr signed the other side? Who was the little boy that Lisa lopes hit in car? What do you call a person drives cars in races? How many drivers are in the Indy 500 at a time?