Sergio Perez says Cadillac is developing strongly through its early races in Formula 1 but needs to ensure it maintains a good rate of improvement to stay in a fight with Aston Martin.

Oscar Piastri says obeying team orders from McLaren is important for the future success of the team and protects some of the personnel providing the drivers with race-winning machinery.McLaren told Piastri to move over for Lando Norris after a slow pit stop cost Norris a position to his teammate late...

NASCAR Cup Series teams were given an extra set of tires on Saturday night at Bristol Motor Speedway, as excessive tire wear struck the short track for the second time in less than two years.

Think of the Monaco Grand Prix and you probably think of the glitz and the glamor. Yachts in the harbor, bobbing away on the waters of the beautiful shimmering Mediterranean, with expensively dressed diners enjoying a slow lunch sat on the terrace at the Cafe de Paris as Formula 1...

Mike Hull, Scott Dixon's race strategist at Chip Ganassi Racing, opens a new video series with RACER's Marshall Pruett where he breaks down the pit stop strategy, fuel stint lengths, and where caution periods tend to emerge at the Firestone Grand Prix of St. Petersburg as a primer for today's...

The most confusing aspects of the new hybrid IMSA GTP regulations involve the Maximum Stint Energy formula and the concept of the Virtual Fuel Tank, both of which govern how long the cars can run between pit stops and what takes place during a pit stop. Almost nothing that you're...

In reaction to a second consecutive race where drivers dealt with exceptionally high cockpit temperatures due to stagnant air behind the new aeroscreen, the NTT IndyCar Series has made two rule adjustments effective with this weekend’s REV Group Grand Prix Presented by AMR Doubleheader at Road America.“Anytime drivers talk we...

Formula 1 will use machine learning to investigate ways track changes and different race formats could impact on the quality of racing.In a presentation at F1 partner Amazon Web Services’ re:Invent 2018 conference in Las Vegas, managing director or motorsports Ross Brawn revealed the AWS partnership will be utilized to...

Haas team principal Guenther Steiner has revealed unrelated but identical pit stop errors caused both Kevin Magnussen and Romain Grosjean to retire from the Australian Grand Prix.Magnussen was running in fourth place when he made his planned pit stop, but he was forced to stop at Turn 4 after the...

In the end, Denny Hamlin wound up where he thought he would after 500 miles at Atlanta Motor Speedway. But he and crew chief Mike Wheeler went off script in hopes of improving the No.11 team's finish.In the third and final stage of the Folds of Honor QuikTrip 500, Wheeler...