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 additional ...

Generally speaking, the Rolex 24 at Daytona features two types of cars: prototypes and showroom-stock(ish) GTDs. This is the marquee class in IMSA’s WeatherTech Championship ... are simpler machines ...

IMSA is introducing a two-stage Balance of Performance equation that aims to even the playing field between acceleration and top ... cars reach maximum speed at the same rate. In both GTP and ...

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

whose company is preparing to build new cars to race in IMSA's top GTP class, lined up to give the series led by chairman Jim France, CEO Ed Bennett and president John Doonan their flowers.

It's also the only production-based car in IMSA GTP, the only car with a V-12 in either series, and the only car built by a major manufacturer without a hybrid system in either category.

As if in anticipation of only nine GTP finishers ... that's what I love about the IMSA racing. It's very unexpected. So any restarts, really any car that is running in the top 5 will have a ...

The crowds at the 2025 race show an obvious increase in enthusiasm for racing. The banking at Daytona is a steep 31 degrees ...