Jim France was working with Spire Motorsports to enter a car into the July race at Sonoma before the backlash led to a change ...

NASCAR wants fans talking about the races, including the on-track action and all the drama that regularly plays out each ...

ATLANTA — The International Motor Sports Association is seeing additional automakers join its ranks and strong fan turnout at tracks across North America as its grueling season wraps up.

Steve Phelps "is responsible for oversight of all operations NASCAR, as well as the International Motorsports Association (IMSA) and all 15 NASCAR-owned or operated tracks." In addition ...

The premier multiclass racing organization in North America is the International Motor Sports Association (IMSA). IMSA's first race of its 2023 schedule was at the Daytona International Speedway ...

Courtesy of IMSA The International Motor Sports Association (IMSA) is having a moment. Buried for decades behind bigger and more-popular racing series, the Florida-based IMSA series is fighting ...

including the International Motorsports Association (IMSA) and all 15 NASCAR-owned or operated tracks. Additionally, Steve O’Donnell, long-time industry leader and current Chief Operating ...

Robert Wickens demonstrating the Bosch Electronic Hand Control System International Motor Sports Association Canadian race car driver Robert Wickens has successfully test driven an adapted ...

Brian Cleary/Getty Images At its peak in the late 1980s and early 1990s, the International Motor Sports Association's Grand Touring Prototype machines gave IndyCar absolute fits. The Andrettis ...

By Alex Kalinauckas The first race of the 2025 I.M.S.A. WeatherTech SportsCar Championship, run by the International Motor Sports Association, had been going so smoothly for the Action Express ...

Then factories around the world looked to IMSA, the International Motor Sports Association, as the way to cement their brands into the minds of racing enthusiasts. England had Jaguar, March ...

Three examples of the V-LMDh will race in two separate series; the LMDh rules are valid in both International Motor Sports Association (IMSA) and World Endurance Championship (WEC) events.