BOBBY RAHAL

Acura dominated the debut of hybrid engines in North American sports car racing with a 1-2 finish Sunday at the Rolex 24 at Daytona.

Josef Newgarden collapsed in the motorhome lot following his late crash Sunday at Iowa Speedway and was taken to a Des Moines hospital by helicopter for evaluation.

Austin Cindric drove his brand new NASCAR ride to victory in the Daytona 500 on team owner Roger Penske’s 85th birthday.

Alex Palou earned the first pole of his IndyCar career and put himself in position to reclaim the championship lead headed into Sunday’s race at Portland International Raceway.

IndyCar will return to Iowa Speedway for a July doubleheader next season.

IndyCar will celebrate Independence Day in the middle of Ohio.

The three cars from Rahal Letterman Lanigan were idled or the first 30 minutes of Friday practice for the Indianapolis 500.

The IndyCar series will welcome fans for the first time of the year during the REV Group Grand Prix doubleheader Saturday and Sunday, July 11-12, at Road America in Plymouth, Wisconsin. (AP Photo/Darron Cummings, File)NEWTON, Iowa Few people can appreciate the level of success that Chip Ganassi Racing drivers Scott Dixon and Felix Rosenqvist have had during the IndyCar team's pandemic-challenged 30th anniversary season more than Tony Kanaan. Then consider the 45-year-old Kanaan sees the 39-year-old Dixon in the gym almost every day, each pushing each other to stay fit and young. Dixon went on to win his third straight race after triumphs at Texas and on the road course at Indianapolis. All of it will take place Friday, with the first lap determining where drivers start in the opening race and the second lap where they start the second.