After an afternoon filled with tornado sirens, lightning strikes, torrential rain and visible cloud rotation near Iowa Speedway, IndyCar canceled Friday afternoon practice.

Severe storms and a Tornado Warning halted the IndyCar practice at Iowa Speedway Friday, sending drivers and fans scrambling for shelter. The doubleheader weekend is still on track with clearer skies and cooler temperatures expected Saturday and Sunday after the passage of the storms.

Here are the winners and losers from IndyCar’s Iowa doubleheader, the Synk 275 powered by Sukup on Saturday and the Farm to Finish 275 on Sunday. It took four months and 11 races, but Chevrolet finally has an IndyCar winner in 2025.