The NASCAR Cup Series heads to Sonoma Raceway for one of the most technical races of the season. Nestled in California wine country, Sonoma's twisting layout forces drivers to constantly manage elevation changes, braking zones, and varying corner speeds throughout a lap. Unlike oval racing, where rhythm often develops over long runs, Sonoma demands focus from start to finish with virtually no opportunity to relax behind the wheel.

The O'Reilly Auto Parts Series returns to Sonoma Raceway for a race that often showcases some of the best pure road course driving talent in the garage. Sonoma's road course layout creates a challenge unlike anything drivers experience on the majority of the schedule, requiring constant shifting, aggressive braking, and precise car placement through every sector of the track.

The NASCAR Cup Series heads to the San Diego Naval Base for one of the most anticipated additions to the schedule. Unlike the traditional ovals that dominate the season, this temporary street-style circuit presents an entirely different challenge. Tight corners, heavy braking zones, limited runoff areas, and close concrete barriers leave little room for error as drivers navigate the unique layout.

The NASCAR O'Reilly Auto Parts Series arrives at the San Diego Naval Base for what could become one of the most unpredictable races of the season. Temporary circuits tend to level the playing field compared to traditional speedways, placing a greater emphasis on driver skill, braking consistency, and avoiding mistakes.

The NASCAR Truck Series takes on the San Diego Naval Base circuit for what should be one of the wildest races of the season. Temporary street-style circuits already present unique challenges, and when combined with the aggressive nature of Truck Series racing, chaos is never far away.