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Diandra Leslie-Pelecky

The 2023 Cup Series season already has 12 different winners. Dr. Diandra explains how many more to expect.
Dr. Diandra does the work to help you make your picks for the Chicago Street Race.
This weekend’s Cup race in Chicago (5:30 p.m.
Tony Stewart was famous for being — depending on your point of view — either a ‘slow starter’ or a driver who didn’t get hot on the track until temperatures rose.
Dr. Diandra evaluates six winless drivers’ best chances to make the playoffs in the last 10 races of the regular season.
Identifying the tracks at which Ross Chastain, Daniel Suárez, Kevin Harvick, Brad Keselowski and Chris Buescher are most likely to win before the playoffs.
Kevin Harvick is a force to be reckoned with at Sonoma. Dr. Diandra explains why his statistics at road courses in general are underappreciated
Brad Keselowski is driving an RFK Racing revival as an owner/driver. The numbers show that his team is improving. It’s slow, but in the right direction.
With fewer accidents, no DNFs and more consistent finishes — plus a Daytona 500 win — 2023 might be the start of a Ricky Stenhouse Jr. redemption
Dr. Diandra compares the first 50 Next Gen races to similar races run with the Gen-6 to understand the impact of the Next Gen car on Cup competition.
This weekend’s 600-mile race at Charlotte Motor Speedway is NASCAR’s longest race. It’s the ultimate stock car challenge: not just making a car fast but making it fast for a long time. Most of NASCAR’s 600-mile races run between four and five hours.
Hendrick Motorsports may not appear dominant from a look at the driver rankings, but the rest of its statistics show the team is off to an excellent start.
With the highest fraction of the field in this year’s all-star race, perhaps it’s time to raise the bar on who we designate All Stars.
Eight NASCAR Cup Series drivers have significant untapped potential that, if fulfilled, could change the tenor of this season.
Herb Thomas (pictured), David Pearson, Dale Earnhardt and Jeff Gordon are among the top drivers at Darlington, but who is the best?
The numbers show that Darlington Raceway has mellowed a little through the decades, but it remains one of the most difficult tracks on the NASCAR schedule.
Tyler Reddick’s move to 23XI Racing might have seemed a risk, but it’s paying off in the early part of the Cup season.
Bubba Wallace enters this weekend hoping to repeat at Kansas. His win last fall was 23XI’s second at the track.
Dr. Diandra explores whether an individual driver’s points position typically changes much from mid-season to the end of the regular season.
Dr. Diandra says it’s much too early in the Cup season to dismiss Trackhouse Racing and any other winless teams. Here’s why ...
Kevin Harvick will become the newest member of an elite NASCAR club - drivers who have started 800 races. Here’s how his record compares to the drivers he joins.
Dr. Diandra applies statistics to examine accident rates for drivers at Talladega. The results may surprise.
Ryan Blaney has the second longest winless streak in the Cup Series. Two of the elements he needs to break it are performance related. The third is luck.
Looking back at some of the closest finishes in Martinsville Speedway history.