Joe Gibbs Racing's Ty Gibbs and Kaulig Racing's Ty Dillon will face off Sunday in the championship round of NASCAR's inaugural In-Season Challenge in the Brickyard 400.

TNT Sports is catching serious heat after NASCAR fans, and even Dale Earnhardt Jr. himself, called out the network’s race-day production failures. During the Autotrader EchoPark Automotive 400, Earnhardt’s repeated efforts to draw attention to on-track incidents were seemingly ignored.

The NASCAR Cup Series at the 2025 Dover Race will air on TNT, and streams live on DirecTV (free trial). Time: 2 p.m. ET

On Sunday, the stars of the NASCAR Cup Series head to the famed 2.5-mile Indianapolis Motor Speedway for the running of the Brickyard 400 (2 p.m. ET, TNT Sports/truTV, HBO Max, IMS Radio, SiriusXM NASCAR Radio).

It'll be the Ty and Ty show for the $1 million prize, with Ty Gibbs going head-to-head with Ty Dillon at Indianapolis Motor Speedway on Sunday. Dillon's appearance culminates a "Cinderella" run, after he came into the tournament as the lowest possible seed.

It might not be the world's most famous Dover, but this one, in Delaware, will be an important one Sunday as NASCAR reaches Race 21 of 2025.

NASCAR goes from the streets of Chicago to Northern California wine county for a second straight weekend of road-course racing.

Sunday’s AutoTrader EchoPark Automotive 400 at Dover Motor Speedway got 2.009 million viewers on TNT, per Adam Stern of Sports Business Journal. Viewership dropped 27% during the near hour-long rain delay in Stage 3.