Lance Armstrong became an icon in the cycling world in 2000s, making the Tour de France a major spectator sport in America. In October 2012, he stepped down as chairman of his Livestrong cancer charity after saying he would no longer fight doping allegations and being stripped of his seven Tour titles.
Lance Armstrong Through the Years

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The move came a week after the U.S. Anti-Doping Agency released a massive report detailing allegations of widespread doping by Armstrong and his teams when he won the Tour de France seven times from 1999 to 2005.

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Lance Armstrong stands onstage during the 15th anniversary celebration for the Livestrong charity, October 19, 2012, in Austin, Texas. Armstrong said he has been through a "difficult couple of weeks" and urged supporters of the charity to stand behind its mission.