The NASCAR Xfinity Series is a stock car racing series organized by NASCAR. It is promoted as NASCAR's "minor league" circuit, and is considered a proving ground for drivers who wish to step up to the organization's top level circuit, the NASCAR Cup Series.

The Automobile Racing Club of America (ARCA), is the leading grassroots stock car sanctioning body in the United States. Bridging the gap between NASCAR’s top three national touring series and weekly racing all across the country, including the ARCA Menards Series, ARCA Menards Series East, ARCA Menards Series West, the ARCA/CRA Super Series, and the ARCA Midwest Tour, plus weekly racing at Toledo and Flat Rock Speedways.