What does racing symbolize for Denny and Enzo?

Racing symbolizes resilience, control, and the ability to navigate life's unpredictability for both Denny and Enzo. Throughout the story, racing serves as a metaphor for the challenges they face in their lives. Denny, as a race car driver, experiences various adversities, including personal losses and struggles within his family. The discipline and skills required in racing translate into his approach to overcoming life's obstacles. Enzo, through his perspective as a dog, observes and reflects on the importance of maintaining control and staying focused despite the chaos that surrounds them. This connection reinforces the theme that life, much like racing, involves a continuous balancing act between speed, strategy, and resilience in the face of uncertainty.