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

In the end, American teams and cars dominated the 2025 IMSA Rolex 24 at Daytona. Teams and drivers from all over the world ...

Honda has made a big change to its IMSA program for 2025 which affects everything it does on and off the track, and could ...

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

Tommy Milner said the blocking incident with Paul Miller Racing’s Augusto Farfus in the Rolex 24 at Daytona is “not what IMSA ...

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

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

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

And guess what, it does, as Aston pulled the wraps off their new WEC and IMSA endurance racing contender. Built on the same platform and using the same powertrain as its road-going sibling ...

DAYTONA BEACH—Last week, ahead of the annual Rolex 24 at Daytona and the start of the North American road racing season, IMSA (the sport's organizers) held a tech symposium across the road from ...

From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 ...