 In 2008, Intersport Racing ran the engine in their ALMS LMP1 entries and in 2009 and 2010, both Intersport Racing and Autocon ran the AER engine in ALMS P1

The P41 was the first Mazda engine and was developed in conjunction with Mazdaspeed for use in LMP2.An in-line four-cylinder single-turbocharged 2.0 liter, the MZR-R was debuted by B-K Motorsports at the 2007 12 Hours of Sebring, and B-K ran it through 2008.Dyson Racing took up the Mazda flag in 2009.