Mark Lee McMorris (born December 9, 1993) is a Canadian professional snowboarder who specializes in slopestyle and big air events. While filming for Transworld Snowboarding's "Park Sessions" video in March 2011, Mark became the first person to land a Backside Triple Cork 1440. More recently, on April 28, 2018, Mark landed the world first Double Cork off of a rail, the Front-Board Double Cork 1170 with melancholy grab. Mark has also left his mark at X-Games and other events. In 2012 and 2013, Mark won back-to-back gold medals in Winter X Games in the slopestyle event. He competed in the slopestyle event at the 2014 Winter Olympics in Sochi, where he won a bronze medal, Canada's first medal in those Games. At the 2018 Winter Olympics in PyeongChang, he won a bronze medal in the slopestyle event, only 11 months after a snowboarding accident with near-fatal internal injuries. He has also appeared in many videos for Transworld Snowboarding, Burton, Redbull, CBC, and Shredbots.