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

IMSA President John Doonan reflects on the record-breaking 2024 season and previews the thrilling innovations coming in 2025 during his keynote at EPARTRADE’s 5th Annual Race Industry Week.

In addition, Steve O'Donnell will become NASCAR's sixth president. The move does not affect current IMSA President John Doonan. Doonan remains as president of IMSA. NASCAR has its first commissioner.

More: Key Wisconsin auto racing events for the 2025 season “I spent a lot of time growing up at Road America,” IMSA President John Doonan said in a news conference in Sebring, Florida ...

“I spent a lot of time growing up at Road America,” IMSA President John Doonan said in a news conference in Sebring, Florida, where the series races this weekend. “My time there, my ...