Season Description The 2025 NASCAR Cup Series was the 77th season of NASCAR professional stock car racing in the United States and the 54th season of the modern-era Cup Series. Joey Logano of Team Penske entered the season as the defending 2024 NASCAR Cup Series champion. The season started with the Cook Out Clash at Bowman Gray Stadium on February 2, and concluded at Phoenix Raceway on November 2, where Kyle Larson won the championship after finishing third at the NASCAR Cup Series Championship Race.