Iconic Sports Moments on Instagram: "At the 2012 London Olympics, McKayla Maroney delivered one of the most powerful vault performances ever seen on the Olympic stage. Known for her explosive speed and flawless technique, she competed the Amanar vault — one of the most difficult vaults in women’s gymnastics — with remarkable height, distance, and precision. Her first vault was widely praised as near-perfect. However, during her second vault in the final, a small mistake on landing resulted in a