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Diandra Leslie-Pelecky

A Daytona winner from outside the 15 playoff-confirmed drivers is highly unlikely to impact the playoffs — but a repeat winner could make the championship race even more exciting.
Watkins Glen is the best chance for Chase Elliott, Alex Bowman, A.J. Allmendinger and Daniel Suarez to make the playoffs. They all have uphill climbs.
Twenty years old and 24 races into his rookie season, Ty Gibbs’ numbers compare favorably with those of 10 championship drivers in their rookie years.
Chase Elliott needs to win one of the next three races, two of which are road courses. But he hasn’t won a road course race in the Next Gen car.
With road course aces like Chase Elliott and Michael McDowell looking for their first wins of the season, the tracks’ disparities increase the likelihood of two different winners.
Dr. Diandra runs the numbers to figure out whether the Fords can maintain their dominance at Michigan International Speedway.
The Next Gen car makes starting near the front less important at tracks less than 1 mile but more important at tracks between a mile and a mile-and-a-half.
Drivers near the top of the points look forward to Richmond; those on the playoff bubble may want to prioritize points
This season may not have as many winners, but more owners will place cars in the playoffs than any other stage-racing season.
Dr. Diandra crunches the numbers to identify which drivers are mostly likely to win (or just run well) at Pocono Raceway.
The surfeit of young winners in 2022 seemed to suggest the changing of the guard. The numbers this year suggest that’s more of a blip than a trend.
Dr. Diandra ranks which drivers are the best bets for your fantasy lineup at New Hampshire Motor Speedway
The points standings don’t tell the whole story. Dr. Diandra shows why Busch and Byron stand out.
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.