The film is produced by Gibney, Frank Marshall and Matt Tolmach, centers on Armstrong's life and career over the last four years. A release date has not been set.
Tour de France seven times. Beginning in 2009, Gibney followed Armstrong for four years to chronicle his return to cycling after retirement and his 2012 admission of doping, following a federal criminal investigation, public accusations of doping by ex-teammates and an investigation by the US Anti-Doping Agency.
Sony Classics said the film includes interviews with Armstrong's former teammates, doctors and professionals as well as unprecedented access to Armstrong himself.
"On this long-distance ride, full of unpredictable twists and turns, I learned a lot about one spectacular sport - cycling - as well as the ethic of winning at all costs that pervades most sports and society-at-large," Gibney said.
Gibney won the Oscar for feature documentary for 2007′s "Taxi to the Dark Side."
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