The NHRA Summit Racing Series that is contested across North America forms the world’s largest motorsports program in terms of racer participation.
The bracket racing format allows drivers in many types of vehicles, including dragsters, roadsters, sedans, and coupes, to compete on an equal basis against each other. In addition to three categories of competition for cars, a motorcycle category is featured.
Classes Running: Sportsman, Pro, Super Pro, Motorcycle, Jr. Dragster & Jr. Street
Learn more here: https://www.nhra.com/nhra-summit-racing-series