Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered.

IndyCar legend Scott Dixon will run another Rolex 24 at Daytona this week. So will 2022 Daytona 500 winner Austin Cindric and NASCAR Cup Series rookie Shane van Gisbergen. Felipe Nasr, Dane ...

The first 60 minutes and last two hours will air on NBC. USA, IMSA.TV and YouTube will share the middle portions. After that, IMSA, NASCAR’s sports-car cousin, will hibernate for six weeks.

Courtesy of IMSA The International Motor Sports Association ... a commitment to hybrid technology, great racing on track and continued growth in attendance and broadcast coverage.

All four IMSA WeatherTech SportsCar Championship classes are scheduled ... here for the daily schedule for the next 12 days at Daytona). With cars officially on track for the first time this month, ...

and this is the special model that’ll hit the track. Referred to as simply the Aston Martin Valkyrie Hypercar, it will compete in both the FIA World Endurance Championship and IMSA WeatherTech ...

There will be cars on the track at Daytona International Speedway ... This weekend also features two IMSA VP Racing Challenge Series races. The 45-minute sprints will begin at 2 p.m. Saturday ...