IMSA President John Doonan has teased further growth for IMSA’s GTP class in the coming years during today’s pre-Rolex 24 press conference. Doonan spoke directly about the potential for ...

Penske also returned to IMSA in 2017 with Acura and later switched to lead Porsche's GTP program, which won the 24 Hours of Daytona and the GTP championship last year. Like Brown and McLaren ...

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

In a two-year period where Roger Penske’s racing teams and drivers have claimed a Rolex 24 At Daytona victory, the IMSA WeatherTech SportsCar Championship Grand Touring Prototype (GTP ...