DAYTONA BEACH, Fla. – The International Motor Sports Ass’n has announced schedule updates for three IMSA WeatherTech SportsCar Championship and IMSA Michelin Pilot Challenge events.

The Acura Sports Car Grand Prix at Mid-Ohio has been moved to the weekend of Sept. 25-27, 2020. It was originally scheduled for the weekend of May 1-3.

The IMSA Monterey SportsCar Championship at WeatherTech Raceway Laguna Seca has been moved up one weekend to run on Sept. 4-6. It was originally scheduled for the weekend of Sept. 11-13. This date adjustment was made to accommodate IMSA competitors planning to participate in the 24 Hours of Le Mans, which now will run on Sept. 19-20.

The 23rd annual Motul Petit Le Mans at Michelin Raceway Road Atlanta has been moved back one week and now will run Oct. 14-17 to provide teams a more balanced schedule as the season comes to its conclusion. The original dates of the event were Oct. 7-10.

These three event date changes are in addition to the previously announced reschedule of the Mobil 1 Twelve Hours of Sebring Presented by Advance Auto Parts, which now is set for Nov. 11-14.

Previously purchased tickets for all four events will be valid on the new dates.