Chase Briscoe wins the NASCAR Cup Series race at Chicagoland, according to Yahoo Sports. The race is held at Chicago Speedway. Yahoo Sports reports Briscoe as the winner and provides full results for the event. While the available excerpts do not include additional details such as race length, starting position, margin of victory, or key incidents, both references align on the outcome of the contest. Both sources identify Briscoe as the winner of the Chicagoland race and indicate that comprehensive finishing positions are published as part of the race recap. No differing results or competing claims are presented in the provided materials. Based on the information supplied, the consistent points are that the event is a NASCAR Cup Series race at Chicagoland/Chicago Speedway and that Briscoe is the driver who finishes first. The remaining specifics of the competition are not included in the text excerpts provided.