O’Reilly Auto Parts Four Hours of Mid-Ohio June 6-8

IMSA sports car racing will kick off the action with the second annual running of the O’Reilly Auto Parts Four Hours of Mid-Ohio set for June 6-8. The weekend will again feature a four-hour Michelin Pilot Challenge endurance race, one of the two four-hour competitions on the series’ 2025 schedule, plus additional sports car action from VP Racing SportsCar Challenge and Whelen Mazda MX-5 Cup presented by Michelin. The USF Juniors Presented by Continental Tire also add in some open-wheel competition to the schedule.