William Byron reacts to his win to cap off the Round of 8 at a Martinsville course that holds a special place in his heart and commends the Hendrick Motorsports team for their resilience all season.

More than two hours after William Byron took the checkered flag to win Sunday’s Xfinity 500 at Martinsville Speedway, the work of crew chief Rudy Fugle still wasn’t done. Fugle had called an exemplary race and afterwards shepherded Byron’s No.

The NASCAR on NBC crew recaps the action from Martinsville Speedway, where William Byron and three other drivers punched their ticket to the Championship 4.

Hendrick Motorsports driver William Byron chooses caution despite winning pole position at the Martinsville Speedway.