IMSA President John Doonan discussed in further detail the changes to the 2026 WeatherTech SportsCar Championship calendar, ...

IMSA President John Doonan said that making Road America a six-hour Michelin Endurance Cup round will bring “excitement” to ...

The TCR class will remain part of the IMSA Michelin Pilot Challenge until at least the 2028 season as part of a new agreement ...

The move gives one fresh tweak to what has been a fairly stable schedule for IMSA, and Road America may get a chance to show ...

On Thursday, two days before the green flag falls for the 73rd Mobil 1 Twelve Hours of Sebring, IMSA became the first major ...

The sportscar racing series makes a significant tweak to its Michelin Endurance Cup rounds in the Midwest, making for a more ...

A good thing just got better, as the International Motor Sports Association (IMSA) and WSC Group today announced an extension of the partnership that will see the Touring Car (TCR) class remain a part ...

IMSA announces its 2026 schedules for the WeatherTech Championship and Michelin Pilot Challenge, maintaining consistency across venues.

"This is the most significant step Mazda has taken towards returning to the global racing stage since our overall victory at Le Mans in 1991," said the director of Mazda Motorsports, John Doonan.

IMSA SportsCar Championship calendar will see Road America switch from a sprint event to a six-hour Endurance Cup ...