This article was originally published on www.si.com/onsi/racing-america as Previewing the NASCAR Cup Series Toyota/Save Mart 350 at Sonoma. The NASCAR Cup Series continues the In-Season Challenge with another road course, this time on the windy Sonoma Raceway carved into the hills of California's Wine Country.

NASCAR's top two national series will head to Sonoma Raceway this weekend for their first and only visit to California this season. The road course north of San Francisco also will play host to the ARCA West Series over a three-day schedule of racing on its 11-turn,

This Sunday, the NASCAR Cup Series heads out west to Sonoma Raceway for the 20th race of the season. That means there’s just seven races remaining before the playoffs begin.