TCR National Series are historic championships that reflect the unique motorsport culture and regional characteristics of each country, providing valuable opportunities for young drivers aiming to advance to the international stage.

Kumho Tire supplies its racing tires, ECSTA, on a commercial basis to several TCR National Series, including TCR Spain, TCR Australia, TCR Mexico, and TCR Panama. Through these competitions, drivers are able to deliver stable and dynamic racing performances based on outstanding grip and durability across a wide range of racing conditions.