Xfinity Series

Kyle Busch beat up on the NASCAR Xfinity Series drivers yet again with a domineering performance in Friday night’s Food City 300 at Bristol Motor Speedway for second Bristol win of the week.

Sam Hornish, Jr. dominated Saturday’s NASCAR Xfinity Series Mid-Ohio Challenge, but his victory was anything but certain until the waning laps of a caution-filled race.

With a victory in Saturday’s Zippo 200, Kyle Busch continued to tick items off his bucket list.

Ryan Preece’s short-lived, but ambitious 2017 NASCAR Xfinity Series schedule began three weeks ago at his de facto home track, New Hampshire Motor Speedway.

William Byron wrote a page of NASCAR history Saturday afternoon at the Indianapolis Motor Speedway. The 19-year-old held off a last lap challenge from Paul Menard to score the NASCAR Xfinity Series victory in the Lilly Diabetes 250.

The spoiler is taller and wider. The front splitter is larger, too. And restrictor plates will cut the capability of NASCAR Xfinity Series engines by more than 200 horsepower.

Kyle Busch’s celebratory burnout produced a cloud of smoke over the frontstretch at New Hampshire Motor Speedway, but Ryan Preece’s first run in top-of-the-line equipment made an even bigger impression...

As Kyle Busch spun his No. 18 Toyota wildly during his celebratory burnout at Kentucky Speedway, the right rear tire exploded with an audible pop after it hit the drain below the apron.

For the second time in as many weeks, Mother Nature as taken a hand in the running of a NASCAR Xfinity Series race. With torrential rains and heavy lightning moving into the Sparta, Kentucky area, NASCAR officials...

In a wild race that ended more than 21 hours after it started, William Byron won his second NASCAR Xfinity Series event in seven days, taking the checkered flag in overtime in Saturday’s weather-delayed...