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O'Reilly Auto Parts Four Hours of Md-Ohio opens 65th season of racing at Mid-Ohio Sports Car Course
Event features IMSA sports car racing headlined by Michelin Pilot Challenge endurance race on Sunday
LEXINGTON, Ohio (June 2, 2026) – The 65th season of racing begins at Mid-Ohio Sports Car Course with thrilling International Motor Sports Association (IMSA) sports car competition at the O’Reilly Auto Parts Four Hours of Mid-Ohio (June 5-7, 2026). The three-day event is headlined by a four-hour IMSA Michelin Pilot Challenge endurance race with additional on-track action from three other series.Â
