Who is Lance Armstrong

Lance Edward Armstrong (né Gunderson; born September 18, 1971) is an American former professional road racing cyclist. Armstrong had won the Tour de France a record seven consecutive times between 1999 and 2005, but in 2012 he was disqualified from all his results since August 1998 for using and distributing performance-enhancing drugs and was banned from professional cycling for life.Armstrong did not appeal the decision to the Court of Arbitration for Sport.He repeatedly denied doping,until he admitted in a television interview in January 2013 to using performance enhancing drugs throughout much of his career.
At 16, Armstrong began competing as a triathlete and became a national sprint-course triathlon champion in 1989 and 1990. In 1992, Armstrong began his career as a professional cyclist with the Motorola team. He had notable success between 1993 and 1996, including the 1993 World Championship, Clásica de San Sebastián in 1995, an overall victory in the penultimate Tour DuPont and a handful of stage victories in Europe, including the stage to Limoges in the Tour de France.
In October 1996, he was diagnosed with testicular cancer that had spread to his brain and lungs. His cancer treatments included brain and testicular surgery and extensive chemotherapy. In February 1997, he was declared cancer-free and the same year he founded the Lance Armstrong Foundation for cancer support. By January 1998, Armstrong had renewed serious cycling training, having signed a new racing contract with US Postal. He was a member of the US Postal/Discovery team between 1998 and 2005. On July 24, 2005, Armstrong retired from racing at the end of the 2005 Tour de France, but returned to competitive cycling with the Astana team in January 2009 and finished third in the 2009 Tour de France. Between 2010 and 2011, he raced with the UCI ProTeam he helped found, Team Radio Shack.
On February 16, 2011, he announced his retirement from competitive cycling, while facing a US federal investigation into doping allegations. In February 2012, he returned to triathlon, competing as a professional in several events. In June 2012, the United States Anti-Doping Agency (USADA) charged Armstrong with having used illicit performance-enhancing drugs,and in August it announced a lifetime ban from competition, which applies in all sports which follow the World Anti Doping Agency code, as well as the stripping of all titles won since August 1998. The USADA report stated that Armstrong enforced "the most sophisticated, professionalized and successful doping program that sport has ever seen".On October 22, 2012, the Union Cycliste Internationale (UCI), the sport's governing body, announced its decision to accept USADA's findings regarding Armstrong