U.S. Snowboarding Grand Prix
The U.S. Snowboarding Grand Prix was created in 1996 by U.S. Snowboarding with snowboarding progression as a top priority. This annual competition series utilizes top resorts from across the United States to host world-class snowboarding competitions which draw the best male and female riders in the world.
Source: Wikipedia — U.S. Snowboarding Grand Prix (CC BY-SA 4.0)