The West clockwise configuration at Thunderhill Raceway in California utilizes the western circuit sections in clockwise direction at this comprehensive facility in Northern California's Central Valley. The West designation indicates a specific routing focusing on particular portions of the property, with clockwise flow creating intended corner sequences. This variant serves events requiring specific layout characteristics or moderate circuit length appropriate for certain vehicle classes and skill levels.

Operating the West CW showcases Thunderhill's exceptional infrastructure where multiple configurations serve diverse motorsport requirements across the expansive property that includes America's longest road course variants. Central Valley's climate creates year-round racing potential though summer heat frequently exceeds 40C. The West clockwise configuration provides specific technical challenge serving San Francisco Bay Area motorsport community, demonstrating Thunderhill's role as Northern California's premier club racing facility with comprehensive layout variety supporting simultaneous events.