Here's what's happening in the world of NASCAR with Circuit of The Americas in the rearview and Phoenix (Sun., 3:30 p.m. ET, FS1) up next.

Kyle Larson and William Byron will join Spire Motorsports in the NASCAR Truck Series for select races during the 2025 season.

Larson has started 15 Truck Series races in his career, but just two since 2016. He made his NASCAR top-three series debut in ...

Kyle Larson and William Byron, teammates in the NASCAR Cup Series at Hendrick Motorsports, will each dabble in a part-time ...

Kyle Larson and William Byron will split time behind the wheel of Spire Motorsports’ No. 07 Chevrolet in a trifecta of Truck ...

The Spire Motorsports No. 07 Chevrolet Silverado just gained a bit more prestige as the race team announced Tuesday that Kyle ...

Kyle Larson will run two upcoming NASCAR Craftsman Truck Series races, and William Byron will run one Truck race for Spire ...

Kyle Larson and William Byron will run multiple NASCAR Craftsman Truck Series races for Spire Motorsports this season, the ...

Hendrick stars Kyle Larson and William Byron are back in the NASCAR Truck Series, teaming up with Spire Motorsports for three ...

Kyle Larson and William Byron will split time behind the wheel of Spire Motorsports’ No. 07 HendrickCars.com Chevrolet ...

Owen Larson called it when he said his dad wouldn ... His exacerbation only mounted when all three of his Hendrick teammates led laps, William Byron won for a second consecutive year, and ...

The NASCAR Cup Series will shift its focus to one-mile Phoenix Raceway in Avondale, Arizona for the running of the Shriners ...