NASCAR Xfinity Series racing continues today with the Pacific Office Automation 147, live from Portland International Raceway in Portland, Oregon.

With one race to go in the regular season, it's now or never for the drivers vying for the final two spots in the playoffs

Welcome to Racing America On SI's live NASCAR race updates post for Saturday night's NASCAR Cup Series Coke Zero Sugar 400 at Daytona International Speedway. This post will be updated throughout the day and night on Saturday with key updates leading into and through the final race of the 2025 NASCAR Cup Series regular season.

NASCAR Channel is a free, no subscription required, streaming spot on the Roku Channel. The content will include classic NASCAR races, delayed broadcasts of current season events, select live coverage, documentaries, SiriusXM NASCAR Radio’s The Morning Drive, NASCAR Studios original series, and video podcasts.

With agriculture dominating the state, and cornfields as far as the eye can see, Iowa is something of a peaceful place that harkens to the tranquility and simplicity of a traditional American life. But even as the NASCAR Cup Series gets to experience Iowa for themselves,