With the in-season tournament — part of a new media rights deal that includes TNT — NASCAR is following in the footsteps of the NBA and soccer leagues around the world. After Sonoma this weekend, it concludes with races at Dover and Indianapolis Motor Speedway.

The NASCAR Cup Series begins the Chicago race weekend with practice and qualifying for the Grant Park 165. Follow here as the Cup Series sets the Chicago street lineup.

Shane van Gisbergen further cemented his 2025 NASCAR Cup Playoff status with his second win of the season in Sunday's Grant Park 165. William Byron's regular-season point lead has been cut to just 13 points by Chase Elliott.