Chief Racing Development Officer of NASCAR John Probst discusses the research and development costs behind NASCAR’s Next Gen ...

The ongoing antitrust trial against NASCAR continues to peel back layers of long-guarded industry operations, and the latest ...

NASCAR Executive Vice President and Chief Racing Development Officer was on the stand on Wednesday during the antitrust trial ...

Probst details patents, supplier oversight, and spending caps as NASCAR counters antitrust accusations from 23XI and Front ...

NASCAR Cup Series driver Chase Elliott doubled down on struggles since the NextGen era arrived. The introduction of the NextGen machine, NASCAR’s eighth-generation race car, brought about one of the ...

NASCAR began presenting its defense with Executive Vice President and Chief Racing Development Officer John Probst and a ...

NASCAR has now run its Next Gen car for five seasons, and some have adapted to the change better than others. Who has it ...

A Joe Gibbs Racing insider makes a confident prediction about how the timing of pitstops will improve going forward to 2026.

When the Next Gen car arrived in 2022, it turned the competitive order on its head. Drivers who had ruled the roost suddenly ...

The NASCAR Next Gen car, introduced in 2022, has been criticized yet again by former driver and JR Motorsports team owner Dale Earnhardt Jr. He highlighted an aerodynamic challenge with the car that ...

Down in Australia, Austin Cindric is getting the feel of the Gen3 Supercars Mustang ahead of his series debut later this month. Cindric is taking on the Adelaide finale in two weeks. For now, he’s ...

That was the on-the-record reaction from John Probst, the chief racing development officer at NASCAR and the defense ...