Swimming superstar Michael Phelps once claimed he scoffed up to 12,000 calories a day. Usain Bolt's big sprint rival Yohan Blake says he chomps 16 ripe bananas every 24 hours.
A tiny Japanese athlete easily tucked away 50 pieces of sushi after training, while another marathon runner gobbled plates of raw mince.
Or how about the weightlifter who drinks the first milk of a cow that has just given birth?
With extreme eating habits like these, it may be some surprise to learn that within the Olympic Village there lurks a culinary trap that can potentially tip athletes over the fine line between success and failure at London 2012.
Competitors spend years honing their bodies to perfection, scrupulously eating the right foods, avoiding the wrong ones ... and then?
They encounter the Olympic Dining Hall.
Read the full story – "Food, glorious food: Olympic athletes' extreme eating habits"