Belgian Tom Boonen of team Omega Pharma-Quick Step celebrates winning the 133.5 kilometre first stage of the Tour of Qatar cycling race between Barzan Towers and Doha Golf Club on February 5,2012. (Photo by Karim Jaafar/AFP/Getty Images)

The pack ride during the first stage of the 21th Mallorca Challenge on February 5, 2012, in Palma de Mallorca. (Photo by Jaime Reina /AFP/Getty Images)

Spanish cyclist Alberto Contador (Bottom C) of Saxo Bank rides in the pack during the first stage of the 21th Mallorca Challenge on February 5, 2012, in Palma de Mallorca. (Photo by Jaime Reina /AFP/Getty Images)

Spanish cyclist Alberto Contador (L) of Saxo Bank and Australian cyclist Cadel Evans (R) of BMC Racing Team shake hands before the first stage of the 21th Mallorca Challenge on February 5, 2012, in Palma de Mallorca. (Photo by Jaime Reina /AFP/Getty Images)

Spanish cyclist Alberto Contador of Saxo Bank waits for the start of the first stage of the 21th Mallorca Challenge on February 5, 2012, in Palma de Mallorca. (Photo by Jaime Reina /AFP/Getty Images)

Spanish cyclist Alberto Contador of Saxo Bank rides in the pack during the first stage of the 21th Mallorca Challenge on February 5, 2012, in Palma de Mallorca. (Photo by Jaime Reina /AFP/Getty Images)

Officials from cycling teams at the Tour of Qatar on Sunday welcomed the end of a U.S. federal investigation into Lance Armstrong and were hopeful that the seven-time Tour of France champion could now move on with his life. Federal prosecutors dropped their investigation of Armstrong on Friday, ending a nearly two-year effort to determine whether the American cyclist and his teammates were involved...

Spanish cyclist Alberto Contador is racing in Mallorca on the eve of the long-awaited verdict on his doping case by the Court of Arbitration for Sport. The three-time Tour de France champion is participating in Sunday's opening race of the Mallorca Challenge before returning to Madrid to await the court's ruling set to be released on Monday.

Now that the federal government has closed its investigation of Lance Armstrong, some legal experts are wondering whether the effort to prosecute superstar athletes over doping claims is worth it. On Friday, the U.S. attorney in Los Angeles said Armstrong would not be charged after a two-year probe into accusations that the seven-time Tour de France winner and his teammates systematically used...

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Lance Armstrong licked 'em again. Always has. Always will. Like cancer and the Tour de France, the federal government turned out to be just another challenge to conquer. On his trophy wall, next to those bright yellow jerseys he got for winning the world's toughest bike race seven times, Armstrong can now hang the scalp of steroid cop Jeff Novitzky.

Cyclist Lance Armstrong released the following statement through his attorney after the U.S. attorney's office decided Friday not to bring charges against him after a nearly two-year investigation into whether the seven-time Tour de France champion and his teammates ran a doping program: "I am gratified to learn that the U.S.