2020 IMSA SportsCar Championship

Changes were made to the amount of practice time for amateur drivers in the LMP2 and GTD classes.

Each class will have a longer dedicated free practice session for Bronze and Silver-rated drivers, set at 30 minutes long.

[4] In addition, each LMP2 team may enter one Platinum driver at Daytona, because of the length of that round.

At the time the 12 Hours of Sebring (March 21) postponement was announced March 12 because of the pandemic and the travel ban, the Long Beach (April 18), Detroit (May 30), and Mosport (July 5) races were officially cancelled by authorities and removed from the first revision on May 15.

The 6 Hours of Watkins Glen, originally scheduled June 28, was moved to October 4 in the first revision.

However on August 1, IMSA removed the 6 Hours of The Glen and the Lime Rock round because of government regulations related to the New York and Connecticut quarantining restrictions.

Mazda Motorsports[22][N 1] wNotes: In accordance with the 2017 LMP2 regulations, all cars in the LMP2 class use the Gibson GK428 V8 engine.

There are also a number of manufacturer championships which utilize the same season-long point distribution chart.

Bold - Pole position Italics - Fastest lap † Points only counted towards the Michelin Endurance Cup, and not the overall LMP2 Championship.