10. The fatal mistake of coach

Sven Kramer of the Netherlands competes in the men's 10,000 metres speed skating race at the Richmond Olympic Oval during the Vancouver 2010 Winter Olympics, February 23, 2010.[Xinhua/Reuters File Photo]

Dutch speed skater Sven Kramer lost his gold in the 10,000m race after his coach guided him into the wrong lane.

However, Kramer, who was cruising to victory, has suggested a new coach will be joining him for the 2014 Games.