By definition the "Circle of Death" is the hardest Tour de France stage in the Pyrenees Mountains. This year I think that could be either Thursday's stage 12 or Saturday's stage 14.
Which stage will prove to be defined as the entry into the 2011 Circle of Death is a matter for discussion. Legend has it that the Tour is never won before the Alps, but for sure this year's entry into the Circle of Death will see more than one Tour contender's GC hopes die.
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