Colby Stevenson at the 2022 US Grand Prix Slopestyle in Mammoth Mountain, California
Colby Stevenson up and over at the 2022 U.S. Grand Prix slopestyle.


Jan 31 - Feb 3, 2024 Highlight

U.S. Grand Prix Mammoth

Mammoth Mountain, California,
United States

Mammoth Mountain’s celebrated Unbound Terrain Park plays host to top-level slopestyle and halfpipe contests.

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