Alex Palou put a decisive stamp of authority on a dream season, winning the BITNILE.COM Grand Prix of Portland on Sunday at Portland International Raceway to clinch the NTT IndyCar Series championship.

Austin Hill finished second in the Sport Clips Haircuts VFW Help A Hero 200 NASCAR Xfinity Series race at Darlington Raceway Saturday afternoon.

Denny Hamlin won the Sport Clips Haircuts VFW Help A Hero 200 NASCAR Xfinity Series race at Darlington Raceway Saturday afternoon.

Graham Rahal earned two poles in an IndyCar Series season for the first time in 14 years, and he gave the rest of the field something to think about entering the BITNILE.COM Grand Prix of Portland on Sunday.

Christopher Bell won the pole for the Cook Out Southern 500 NASCAR Cup Series race at Darlington Raceway Saturday afternoon. He turned a fast lap of 169.193 mph.

Ryan Preece (undisclosed) has been cleared to race in the Southern 500 at Darlington Raceway after his frightening crash at Daytona a week ago, the Associated Press reports.

Ryan Preece (undisclosed) is expected to race in Sunday's Southern 500 at Darlington Raceway, Bob Pockrass of Fox Sports reports.

Legacy Motor Club announced Carson Hocevar will pilot the No. 42 Sunseeker Resort Chevrolet Camaro ZL1 for the NASCAR Cup Series event at Darlington Raceway this weekend.

Scott Dixon showed every bit of his masterful ability to save fuel and navigate traffic to win the Bommarito Automotive Group 500 presented by Axalta and Valvoline on Sunday at World Wide Technology Raceway, IndyCar.com reports.

Christian Eckes finished third in the Clean Harbors 175 NASCAR Craftsman Truck Series race at the Milwaukee Mile Sunday afternoon.

Carson Hocevar finished second in the Clean Harbors 175 NASCAR Craftsman Truck Series race at the Milwaukee Mile Sunday afternoon.

Grant Enfinger won the Clean Harbors 175 NASCAR Craftsman Truck Series race at the Milwaukee Mile Sunday afternoon.

Ryan Preece was discharged from the Halifax Health Medical Center on Sunday, according to Stewart-Haas Racing.

Scott McLaughlin won the NTT P1 Award in qualifying Sunday morning at World Wide Technology Raceway, but Team Penske teammate Josef Newgarden will start from the top spot for the Bommarito Automotive Group 500 presented by Axalta and Valvoline this afternoon, IndyCar.com reports.

Joey Logano finished fifth in the Coke Zero Sugar 400 NASCAR Cup Series race at Daytona International Speedway Saturday night.

Chase Elliott finished fourth in the Coke Zero Sugar 400 NASCAR Cup Series race at Daytona International Speedway Saturday night.

Aric Almirola finished third in the Coke Zero Sugar 400 NASCAR Cup Series race at Daytona International Speedway Saturday night.

Brad Keselowski finished second in the Coke Zero Sugar 400 NASCAR Cup Series race at Daytona International Speedway Saturday night.

Chris Buescher won the Coke Zero Sugar 400 NASCAR Cup Series race at Daytona International Speedway Saturday night.

Ryan Preece was transported to a local hospital following a scary crash during the Coke Zero Sugar 400 race at Daytona International Speedway, Austin Konenski of USA Today reports.