John Doonan at the Brickyard on Carb Day
IMSA President John Doonan tells RACER's Marshall Pruett about his love for the Indy 500, as well as plans for IMSA events at the Indianapolis Motor Speedway.
Marshall Pruett
The 2026 season marks Marshall Pruett's 40th year working in the sport. In his role today for RACER, Pruett covers open-wheel and sports car racing as a writer, reporter, photographer, and filmmaker. In his previous career, he served as a mechanic, engineer, and team manager in a variety of series, including IndyCar, IMSA, and World Challenge.
Read Marshall Pruett's articles
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