Chris Froome is seen at the doping control following the 12th stage. Some have questioned whether his performances can be natural. Photo: EPA Chris Froome is seen at the doping control following the 12th stage. Some have questioned whether his performances can be natural. Photo: EPA
Chris Froome is seen at the doping control following the 12th stage. Some have questioned whether his performances can be natural. Photo: EPA

Cycling's self-appointed watchdogs seek doping clues from a distance

A collection of sports scientists are trying to pinpoint possible cheats online, though their methods are questioned by many professionals

Topic |   Tour de France 2015
Chris Froome is seen at the doping control following the 12th stage. Some have questioned whether his performances can be natural. Photo: EPA Chris Froome is seen at the doping control following the 12th stage. Some have questioned whether his performances can be natural. Photo: EPA
Chris Froome is seen at the doping control following the 12th stage. Some have questioned whether his performances can be natural. Photo: EPA
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