The American Le Mans Series (ALMS) was a sports car racing series that operated from 1999 to 2013. It featured a variety of classes, including prototypes and GT cars, competing on road courses across North America. The series was known for its endurance races, with events lasting from 2 to 12 hours, showcasing advanced automotive technology and engineering. ALMS was part of the larger Le Mans racing tradition, which includes the prestigious 24 Hours of Le Mans race in France. The series attracted major manufacturers like Audi, Porsche, and Ferrari, contributing to its reputation for high-performance racing and innovation in the automotive industry.