Welcome to the Racing America On SI Live Race Updates page for the 2025 NASCAR Cup Series FireKeepers Casino 400 at Michigan International Speedway. Be sure to ...

The NASCAR Cup Series continues the 2025 season with the FireKeepers Casino 400 at Michigan. Follow our live updates from the race.

Toyota's Prius made hybrids mainstream, and the latest-generation showed they could look good, too. But is spending extra for a PHEV worth it?

As he came into the pits, Berry accidentally hit one of Carson Hocevar’s pit crew members. The tire changer came around the outside of Hocevar’s pit box and was clipped as Berry pulled into ...

In March 2024, the NASCAR Cup Series race at Bristol Motor Speedway was hit by unexpected and severe tire wear, leaving both teams and tire supplier Goodyear perplexed. From the start of the Food ...

Last year, NASCAR introduced a new tire compound for the NASCAR Cup Series playoffs race at Martinsville. It was done to prevent tire wear, but coming into 2025, it brought up a new problem ...

NASCAR added wording to its uncontrolled tire rule after the Homestead-Miami Cup Series race. Bob Pockrass of FOX Sports shared a photo of the rule layout and said, “if you have an opening next ...

NASCAR and Goodyear brought two different tire compounds to Phoenix Raceway earlier this month, resulting in an exciting and highly strategy-driven race that ended in a side-by-side battle for the ...

In a statement posted on X by NASCAR journalist Kelly Crandall, Goodyear’s Mark Keto explained the impact of the option tire on the Phoenix race. "Everything went according to plan at Phoenix ...

NASCAR will have a different track layout for COTA and an update to the Goodyear tires for Sunday afternoon. On Tuesday morning, Goodyear announced the Cup Series will have a brand new tire code ...

Peter Casey-Imagn Images It's official, NASCAR will utilize the "Option" tire for the NASCAR Cup Series Shriners Children's 500 race weekend at Phoenix Raceway on March 9 as the sanctioning body ...