NASCAR also announced today that Sunday’s NASCAR Cup Series Iowa Corn 350 Powered by Ethanol has officially sold out, underscoring the tremendous demand for NASCAR’s return to the state of Iowa. “From the moment NASCAR returned to Iowa Speedway, fans have embraced this event in an incredible way with three consecutive NASCAR Cup Series sell outs,” said Iowa Speedway President Eric Peterson. Fans interested in receiving updates on the 2027 NASCAR Weekend at Iowa Speedway can visit IowaSpeedway.com or follow Iowa Speedway on social media. Our 2026 schedule includes NASCAR Weekend at Iowa Speedway, August 7-9. NASCAR sanctions races in three national series (NASCAR Cup Series™, NASCAR O’Reilly Auto Parts Series™, and NASCAR CRAFTSMAN Truck Series™), four international series (NASCAR Brasil Series, NASCAR Canada Series, NASCAR Euro Series, NASCAR Mexico Series), four regional series (ARCA Menards Series, ARCA Menards Series East & West and the NASCAR Whelen Modified Tour) and a local grassroots series (NASCAR Local Racing Series Powered by O’Reilly Auto Parts).