The American Le Mans Series (ALMS) is a sports car racing series based in the United States and Canada. It consists of a series of endurance and sprint races, and was created in the spirit of the 24 Hours of Le Mans. Teams compete in one of four classes: LMP1 and LMP2 for Le Mans Prototypes, and GT1 and GT2 for Grand Touring cars. Race lengths vary from 1 hour, 40 minutes to 12 hours.