This weekend's Rolex 24 at Daytona sports car race is the kick-off to the 2015 auto racing season.
Kevin Harvick has claimed his first career Sprint Cup championship with a win in the season finale at Homestead-Miami Speedway.
Kevin Harvick dominated a race he had to win to advance to the final round of NASCAR's playoffs, while Jeff Gordon was knocked out when Ryan Newman completed a last-lap pass.
Dale Earnhardt Jr. earned his fourth win of the season on Sunday at Martinsville Speedway in an emotional victory a week after he was eliminated from the Chase for the Sprint Cup championship.
Brad Keselowski pulled away in overtime Sunday at Talladega Superspeedway to earn an automatic berth into the third round of NASCAR's championship race.
Logano helped Team Penske strengthen its grip as the organization to beat for the championship, pulling away on an overtime restart to win Sunday at New Hampshire Motor Speedway and advance to the second round of the Chase for the Sprint Cup Championship.
Brad Keselowski has won the opening race in the Chase for the Sprint Cup championship, a victory that automatically advances him into the second round.
Will Power won his first IndyCar Series championship Saturday night, finishing ninth in the final race and claiming the season title after a career filled with agonizing misses.
Joey Logano surged past Matt Kenseth with 44 laps to go and won for the first time in his career at Bristol Motor Speedway, foiling Kenseth’s gambling attempt to secure a spot in NASCAR’s playoffs.
Jeff Gordon raced to his third NASCAR Sprint Cup victory of the year, holding off Kevin Harvick on Sunday for his first win at Michigan International Speedway since 2001.