NASCAR sets green flag times for Iowa in August 2026

NASCAR prepares for upcoming Iowa Speedway race weekend. Iowa is back in the sport and it should be a fun weekend in Newton. But when will NASCAR wave the green flags all weekend in Iowa on Saturday and Sunday?

The NASCAR O’Reilly Series gets the action underway with a 5:07 p.m. ET green flag at Iowa on The CW Saturday afternoon. The NASCAR Truck Series will not be racing at Iowa. The next race will be next weekend at Richmond Raceway.

Sunday’s NASCAR Cup Series race at Iowa gets the green flag at 3:40 p.m. on USA Network. This is Iowa's only date on the NASCAR schedule and the excitement is thru the roof. NASCAR is ready to wave the green flags at Iowa, beginning with the O'Reilly Series race Saturday afternoon.