Mason Singer Aguirre (born November 10, 1987 in Duluth, Minnesota) is an American snowboarder. He competes in halfpipe, slopestyle and superpipe, but consistently places higher in halfpipe and superpipe competitions.
Aguirre spent his childhood growing up in Duluth where he followed his older brother, Tyler Aguirre, onto the slopes when Mason was six. He turned pro at fifteen and his parents moved their family to Mammoth Lakes, California to pursue his snowboarding career. In 2006, Aguirre became the youngest snowboarder on the U.S. Olympic Snowboarding Team by beating out Ross Powers, 2002 Halfpipe gold medalist and J.J. Thomas, 2002 Halfpipe bronze medalist. Aguirre’s first trip to the Olympics was successful, placing 4th overall in the Halfpipe event. Aguirre placed first overall at the 2006 World Superpipe Championships and again at the 2006 Burton New Zealand Open. Aguirre also played baseball during his childhood, pitching a complete game and hitting a grand slam in the same championship game.
He is currently sponsored by Nike and D Howlett Boards,K2 Snowboards, Smith Optics, SoBe, DVS, Windells, Fender Guitars, Mammoth Mountain, Val Surf, The Collection, and R.E.D. Protection.
Aguirre is a member of the Frends Crew (spelled without the "i" to emphasize the collective nature of the group) made up of snowboarders Kevin Pearce, Danny Davis, Mikkel Bang, Scotty Lago, Keir Dillon, Jack Mitrani, Luke Mitrani, Eric Jackson, and the Swartz Brothers. Frends is group of riders who turned their initial friendship into a formal alliance in 2007 to move the sport away from its recent competitive and business focus and return the sport to its grass roots, collegial beginnings.