Race of Champions (modified racing)

This article is about the racing organization and events for modified stock cars. For other uses, see Race of Champions (disambiguation).
Race of Champions
CountryUnited States of America and Canada
Tire suppliersHoosier
Official websitehttps://www.rocmodifiedseries.com/

The Race of Champions is a racing organization which sanctions eight different series on asphalt and dirt surfaces, and promotes an annual marquee racing weekend featuring one of the oldest continuing championship races in the United States.