IndyCar and NASCAR are finally joining forces in a way that’s been in the works for years. In 2026, Phoenix Raceway will host a historic doubleheader weekend, bringing the IndyCar Series back to the one-mile oval for the first time since 2018 and pairing it directly with NASCAR’s spring Cup Series stop.

For Roger Penske, who not only owns Team Penske but also controls IndyCar and Indianapolis Motor Speedway, the crossover is the kind of strategic move that raises IndyCar’s visibility while tapping into NASCAR’s massive national audience. According to NASCAR.com, the March 7–8 weekend is officially on the 2026 calendar and promises to be one of the most unique spectacles of the motorsport season.

The announcement comes with other key changes to IndyCar’s schedule. Out are Thermal Club, th

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