Ayumu Hirano

As 2018 comes to an end, X Games commentators Brandon Graham and Craig McMorris storm the ESPN SportsCenter studio to count down the top 10 biggest moments of the year. Watch the full episode from the ABC broadcast of "World of X Games: Best of X Games 2018" right here.

No one had ever done back-to-back double cork 1440s in a competition pipe run until Ayumu Hirano pulled them out on his final run at X Games Aspen. He then followed that first-ever combo with back-to-back double cork 1260s, earning him his second X Games gold.

Trailing after two runs, Shaun White soared to a gold-medal-winning score of 97.75 to surpass Japan's Ayumu Hirano in the men's halfpipe final on Wednesday. White is the first American male to win gold at three Winter Games.

We are capturing the best moments and most breathtaking photos from X Games Aspen 2018 in this rolling gallery, updated regularly throughout the week of competition and live-music performances.

Ayumu Hirano throws back-to-back 1440s, a competition first, in the Monster Energy Men's Snowboard SuperPipe Final Sunday at X Games Aspen 2018, winning the gold medal in one of the heaviest pipe competitions we've ever seen.

X Games announces the second wave of athletes invited to compete in X Games Oslo 2016.