The most confusing aspects of the new hybrid IMSA GTP regulations involve the Maximum Stint Energy formula and the concept of the Virtual Fuel Tank, both of which govern how long the cars can run between pit stops and what takes place during a pit stop. Almost nothing that you're...

Sebastien Bourdais, Marshall Pruett, and Graham Goodwin report from the first day of practice for the Rolex 24 At Daytona and the Cadillac Racing driver provides more deep insights on the new GTP class and cars.

IMSA president John Doonan joins RACER's Marshall Pruett and DailySportsCar's Graham Goodwin to discuss the series' North American leadership role with sustainability and technology in motor racing, the explosion of entries for the Rolex 24 At Daytona, and more before the rest of the day's testing action is discussed.

RACER's Marshall Pruett and DailySportsCar's Graham Goodwin report from the paddock at Daytona on Monday as IMSA's GTP manufacturers are busy putting the finishing touches on their cars ahead of their on-track outings on Tuesday and Wednesday.

It's The Week In Sports Cars show with Marshall Pruett and Graham Goodwin using listener-driven Q&A topics submitted via social media..Discussion Topics:WEC/AsLMS/ELMS/ACO (starts at 4m21s)IMSA (32m24s)General & Fun (1h09m04s)

It's The Week In Sports Cars show with Marshall Pruett and Graham Goodwin using listener-driven Q&A topics submitted via social media..Discussion topics:• WEC/AsLMS/ELMS/ACO (starts at 10m59s)• IMSA (49m59s)• General (1h08m39s)

It's The Week In Sports Cars show with Marshall Pruett and Graham Goodwin using listener-driven Q&A topics submitted via social media to preview the Rolex 24 At Daytona, with topics including sandbagging, the 'qualifying race' held the weekend prior, the new GTD PRO class coming to the 2022 race, thoughts...

It's time to farewell 2020 on The Week In Sports Cars podcast by handing out made-up awards in the listener-driven show hosted by Marshall Pruett and DailySportsCar.com's Graham Goodwin.Categories for the first annual TWISCies:The Nick Tandy Award for the Most Spirited Drive of 2020:The Golden Bowling Ball Award (driver who...

It's time for a holiday-themed episode of The Week In Sports Cars podcast, all driven by listener insights on the best, worst, and most unique parts of the 2020 season, hosted by Marshall Pruett and Graham Goodwin.

Another round of answers to listener questions on sports car racing from Marshall Pruett and Graham Goodwin.