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

Cup driver Austin Dillon gets points for thinking WAY outside the box for an idea that would shake up the Clash and bring ...

IMSA stripped Tower Motorsports of its LMP2 class victory at the Rolex 24 at Daytona because of a technical infraction ...

Aston Martin first started developing an endurance racing version of the Valkyrie long before the road car reached production ...

IMSA President John Doonan said this weekend at Daytona International Speedway that 89 cars applied for entry into this ...

One of the most appealing parts of endurance sports car racing for manufacturers is the regulatory convergence between IMSA ...

Unusual shows of passion, non-traditional viewing platforms added up to a winning Rolex 24 for the glass offices at IMSA.

Aston Martin has announced its driver line-ups for WEC and IMSA this year, with the first images of the Valkyrie Le Mans ...