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Two drivers - at the head of the Class A and B order - earned perfect scores for near-flawless performances at Austin, while a charging drive and quietly impressive midfield performances were also rewarded with high marks.
Defending Super GT champion Nick Cassidy believes the experience he gained last year could prove crucial in his title battle with ex-Formula 1 star Jenson Button and Naoki Yamamoto.
Kimi Raikkonen's second stint at Ferrari has been characterised by dropping the ball at key moments and costing himself chances to win races. At Austin he passed every test to end a wait of more than 100 races to return to the top of the podium.
Second-generation drivers become the first pair of father-son duos to enter the Canadian Motorsport Hall of Fame.
Kyle Larson charges to a third-place finish despite a challenging a weekend at Kansas Speedway
Team Penske is left with only Joey Logano in the 2018 title hunt as Brad Keselowski and Ryan Blaney were eliminated at Kansas Speedway.
Esteban Ocon has been disqualified from his eighth-place finish in the United States Grand Prix after his car was found to have breached Formula 1's fuel flow limits.
Kevin Magnussen faces disqualification from the United States Grand Prix after the Haas Formula 1 driver was deemed to have used more fuel than is allowed.
Chase Elliott felt the pressure in the closing laps, but emerged victorious at Kansas as the playoff field was cut from 12 down to eight.
United States Grand Prix winner Kimi Raikkonen believes he has "proved some people wrong" after claiming his first Formula 1 victory in five and a half years.
Mercedes Formula 1 driver Lewis Hamilton admits he and the team “made it hard for ourselves” in committing to an inferior United States Grand Prix strategy compared to his nearest rivals.
Romain Grosjean has received a three-place grid penalty for Formula 1's Mexican Grand Prix after hitting Charles Leclerc and is now two penalty points from an automatic one-race ban.
Fernando Alonso says there are "more amateur" drivers in Formula 1 than in the World Endurance Championship after his crash with Lance Stroll in the United States Grand Prix.
Red Bull Formula 1 team principal Christian Horner says Daniel Ricciardo put his fist through the wall of his room at Austin after retiring from the United States Grand Prix.
Esteban Ocon and the Racing Point Force India Formula 1 team have been summoned to the stewards following the United States Grand Prix over an alleged tech infringement.
Kevin Harvick got ahead during a round of green-flag pit stops, taking the Stage 2 win at Kansas Speedway.
Kimi Raikkonen claimed his first Formula 1 win in five years in the United States Grand Prix, as Lewis Hamilton's 2018 title celebrations were delayed despite a Sebastian Vettel spin.