The final piece of the regulatory puzzle for IMSA’s new-for-2022 LMDh prototype formula, and the technical compromises meant to bring LMDh and the FIA WEC’s new Hypercar formula together on track have been formally released by both organizations.As RACER revealed on Wednesday, the key areas of agreement between IMSA, the...

The next stage in the road towards a new top prototype class for the FIA World Endurance Championship was reached today as the FIA Motorsport Council, at its meeting in Geneva, Switzerland, discussed and approved the proposal from the ACO and IMSA to produce a new class of prototype cars...

It is too early to expect manufacturers to react to the IMSA and ACO convergence of endurance racing’s top class as they eagerly await further details, according to World Endurance Championship CEO Gerard Neveu.A new top class for prototypes called LMDh – standing for Le Mans Daytona h -- was...

IMSA and the Automobile Club l’Ouest have entered into an agreement that will allow both organizations to compete with their top prototype classes at North American WeatherTech SportsCar Championship events and at the ACO’s legendary 24 Hours of Le Mans in France.The heart of the partnership involves combining the upcoming...

The potential to race the same car at Le Mans as in the IMSA WeatherTech SportsCar Championship appeals to Juan Pablo Montoya (pictured at microphone, above) and Alexander Rossi, following Friday's announcement of plans for a convergence of prototype regulations between the Automobile Club de l’Ouest (ACO) and IMSA.The new...