Lance Armstrong

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Lance Armstrong prepares to take part in the Power of Four mountain bicycle race at the starting line in Snowmass Village, Colo., early Saturday, Aug. 25, 2012. The race is the first public appearance for Armstrong since the U.S. Anti-Doping Association stripped him of his seven Tour de France championships and banned him for life from the sport. (AP Photo/David Zalubowski)

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Lance Armstrong prepares to take part in the Power of Four mountain bicycle race at the starting line in Snowmass Village, Colo., early Saturday, Aug. 25, 2012. The race is the first public appearance for Armstrong since the U.S. Anti-Doping Association stripped him of his seven Tour de France championships and banned him for life from the sport. (AP Photo/David Zalubowski)

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FILE - In this July 24, 2005 file photo, Lance Armstrong gestures from the podium after winning his seventh straight Tour de France cycling race, as second-placed Ivan Basso of Italy, left, and third-placed Jan Ullrich of Germany, look on, after the 21st and final stage of the race in Paris. Armstrong, he superstar cyclist whose stirring victories after his comeback from cancer helped him transcend sports, chose not to pursue arbitration in the drug case brought against him by the U.S. Anti-Doping Agency. That was his last option in his bitter fight with USADA and his decision set the stage for the titles to be stripped and his name to be all but wiped from the record books of the sport he once ruled. (AP Photo/Christophe Ena, File)

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FILE - In this July 24, 2005, file photo, overall leader Lance Armstrong signals seven for his seventh straight win in the Tour de France cycling race as he pedals during the 21st and final stage of the race between Corbeil-Essonnes, south of Paris, and the French capital. The superstar cyclist, whose stirring victories after his comeback from cancer helped him transcend sports, chose not to pursue arbitration in the drug case brought against him by the U.S. Anti-Doping Agency. That was his last option in his bitter fight with USADA and his decision set the stage for the titles to be stripped and his name to be all but wiped from the record books of the sport he once ruled. (AP Photo/Peter Dejong, File)

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FILE - This Feb. 12, 2012 file photo shows seven-time Tour de France winner Lance Armstrong waiting for the start of the Ironman Panama 70.3 triathlon in Panama City, Panama. A federal judge in Austin, Texas, has thrown out Lance Armstrong's lawsuit against the U.S. Anti-Doping Agency, an attempt to stop the drug case against the seven-time Tour de France winner. (AP Photo/Arnulfo Franco, File)

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Lance Armstrong contended in his lawsuit that the U.S. Anti-Doping Agency lacked jurisdiction to pursue a case against him and its arbitration process violated his constitutional rights. (Associated Press)

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FILE - In this Feb. 22, 2009 file photo, Lance Armstrong prepares for the final stage of the Tour of California cycling race in Rancho Bernardo, Calif. The U.S. Anti-Doping Agency is bringing doping charges against the seven-time Tour de France winner, questioning how he achieved those famous cycling victories. Armstrong, who retired from cycling last year, could face a lifetime ban from the sport if he is found to have used performance-enhancing drugs. He maintained his innocence, saying: "I have never doped." (AP Photo/Marcio Jose Sanchez, File)

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Lance Armstrong won the Tour de France every year from 1999 through 2005. A federal probe into alleged doping ended in February with no criminal charges being brought. (Associated Press)