2009 American Le Mans Series

The series was composed of Le Mans Prototypes (LMP) and Grand Tourer (GT) race cars divided into four classes: LMP1, LMP2, GT1, and GT2.

This was the first time that the Michelin Green X Challenge championship was used throughout a full ALMS season after its initial introduction at the 2008 Petit Le Mans.

In GT2, Flying Lizard Motorsports' Patrick Long and Jörg Bergmeister won six races en route to the championship title.

Husband-and-wife Martin and Melanie Snow won the inaugural GT Challenge class title, that ran at half of the season's ten races.

[9] The Challenge class of cars only participated in five rounds in 2009: Utah, Lime Rock, Mid-Ohio, Road America, and Laguna Seca.