The most famous event in the series is the Daytona 500, an annual 500-mile race at Daytona Beach, Florida. The series' second-biggest event is arguably The Brickyard 400, an annual 400-mile race held at the Indianapolis Motor Speedway, the legendary home of the Indianapolis 500, an open-wheeled race.The most prominent championship in stock car racing is the NASCAR Sprint Cup Series, named after its sponsor Sprint Nextel. It is the most popular racing series in the United States, drawing over 6 million spectators in 1997, an average live audience of over 190,000 people for each race.