The 13th Annual Petit Le Mans powered by Mazda2 was the 13th running of the Petit Le Mans and the final round of the 2010 American Le Mans Series season. The event also served as the second and penultimate round of the 2010 Intercontinental Le Mans Cup. It took place at Road Atlanta, Georgia on October 2, 2010.
Pole position winners in each class are marked in bold.
Class winners marked in bold.
|- ! colspan="3" style="background: #FFFFFF;" |American Le Mans Series |- style="text-align:center;" |width="35%" align="center"|Previous race:<br/>Grand Prix of Mosport |width="30%" style="text-align: center;"|2010 season |width="35%" align="center"|Next race:<br/>none |- ! colspan="3" style="background: #FFFFFF;" |Intercontinental Le Mans Cup |- style="text-align:center;" |width="35%" align="center"|Previous race:<br/>1000 km of Silverstone |width="30%" style="text-align: center;"|2010 season |width="35%" align="center"|Next race:<br/>1000 km of Zhuhai