This article is outdated. Please update this article to reflect recent events or newly available information.(February 2011)
The 2010 IMSA Cooper Tires Atlantic Championship season was due to be the 37th Atlantic Championship season, and the second one under the sanctioning of the International Motor Sports Association. However, on March 3, 2010 — just over two weeks prior to the scheduled opening round — series personnel announced that the 2010 season had been placed on hold.
A twelve-race calendar was announced on November 13, 2009. Five races were due to support the American Le Mans Series, with two more supporting the Rolex Sports Car Series. The remaining five races were due to be feature or co-feature events, including both double-header weekends.