THE STORY
At the 2006 Winter Olympics in Turin, Italy, American snowboarder Lindsey Jacobellis led the women's snowboard cross final. On the penultimate jump, she attempted a celebratory grab, lost control, and fell. Swiss competitor Tanja Frieden overtook her to win gold, while Jacobellis recovered to secure silver. (espn.com)
TEAMS / PEOPLE:
Lindsey Jacobellis
WHY IT MATTERS
This incident is often cited as a cautionary tale about overconfidence and the importance of maintaining focus in competitive sports.