Kyle Larson leads NASCAR Cup standings as series heads to Darlington

Kyle Larson beat Chris Buescher at Kansas on Sunday in a green-white-checkered finish and the closest finish — a thousandth of a second — in NASCAR history.

Fast facts: Larson’s win was his second of the season and the sixth for Hendrick Motorsports through 12 races. … Hendrick’s Byron and Denny Hamlin of Joe Gibbs Racing have each won three times. … Larson leads Martin Truex Jr. by 29 points and Chase Elliott by 55 points. … Larson’s six top-five finishes are the most in the series. … Truex shares the lead with three others with seven top-10 finishes. … Only seven drivers have won races this season.

Next race: May 19, North Wilkesboro, North Carolina.

NASCAR XFINITY SERIES

Crown Royal Purple Bag Project 200

Site: Darlington, South Carolina.

Schedule: Friday, practice, 5:05 p.m., and qualifying, 5:35 p.m.; Saturday, race, 1:35m p.m. (FS1).

Track: Darlington Raceway.

Race distance: 147 laps, 200.802 miles.

Last year: Kyle Larson won after starting third.

Last race: Ryan Truex won at Dover for the second straight year, giving the younger brother of Martin Truex Jr. the only NASCAR victories of his career.

Fast facts: Truex has two wins in 194 career starts over the three national series. … Chandler Smith leads Cole Custer by one point and Austin Hill by 17 points. … Smith and Hill are the lone two-time winners through 10 races. … Smith leads with six top-five finishes and he and Custer share the lead with eight top 10s.