In Pixar’s Cars 3, Lightning McQueen enters the Florida 500 after training on a beach.
The Florida 500 is the climactic Piston Cup race in the film. Lightning prepares with Cruz Ramirez after struggling against Jackson Storm, a next-generation racer whose technology and speed make older competitors seem obsolete.
During the event, Lightning realizes that Cruz has the ability to race at the highest level. He changes roles and gives her his place in the competition, allowing her to challenge Storm while he supports her from the pit area. The decision turns the race into a story about mentorship and passing on experience.
The Florida 500 should not be confused with the Piston Cup championship itself. The race is the decisive event shown in Cars 3, while the Piston Cup is the broader competition and championship tradition that connects all three main films.