Mark McMorris set the gold standard in X Games Snowboard Big Air in 2012 when he landed the first-ever backside triple cork 1440 at an X Games. That raised the bar, and now the triple is the key to winning Big Air and Slopestyle.
In our 20 Years, 20 Firsts series, we take a look back as snowboarder Kelly Clark lands the first women's 1080 in competition
At X Games Aspen 2013, Elena Hight landed the first-ever double backside alley-oop rodeo in a half pipe competition
Already having clinched his fifth-consecutive Men's Snowboard SuperPipe gold, Shaun White earned the first perfect score in Winter X Games history in Aspen in 2012 on his glory run.
The X Games "20 Years, 20 Firsts" series continues with Jamie and Joanie Anderson who, in 2007 at X Games Aspen, became the first and only siblings to take home gold in separate disciplines at the same event.