Bike riders begin their 100-mile ride in the Livestrong Challenge Austin charity event on Sunday, Oct. 21, 2012, in Austin, Texas. Cyclist Lance Armstrong greeted about 4,300 cyclists at his charity's fundraiser and then retreated into privacy as cycling officials got set to announce if they will appeal his lifetime ban and loss of seven Tour de France titles ordered by the U.S. Anti-Doping Agency. (AP Photo/Michael Thomas)

Photo by: Michael Thomas

Bike riders begin their 100-mile ride in the Livestrong Challenge Austin charity event on Sunday, Oct. 21, 2012, in Austin, Texas. Cyclist Lance Armstrong greeted about 4,300 cyclists at his charity's fundraiser and then retreated into privacy as cycling officials got set to announce if they will appeal his lifetime ban and loss of seven Tour de France titles ordered by the U.S. Anti-Doping Agency. (AP Photo/Michael Thomas)