What metaphor is prevalent throughout the dog's narration?

The prevalent metaphor throughout the dog's narration in "The Art of Racing in the Rain" is the race as a metaphor for life's challenges. This metaphor encapsulates the concept that, much like a race, life consists of various obstacles and difficulties that require skill, perspective, and perseverance to navigate. The dog's observations reflect on the unpredictability of life, drawing parallels between the racing experience—such as dealing with adverse weather conditions and maintaining focus amidst chaos—and the struggles humans face daily.

Throughout the story, the themes of determination, adaptability, and resilience are highlighted, emphasizing that just like in racing, one must learn how to handle life's curveballs with grace. This metaphor adds depth to the narrative by encouraging readers to consider how they tackle their own life's "race," making it a resonant theme for both the canine narrator and the human characters.