Tom Danielson of Cannondale-Garmin has tweeted that he tested positive for synthetic testosterone in an out-of-competition test performed On July 9. The positive test has not been formally announced by the U.S. Anti-Doping Agency (USADA) but it informed the cyclist about the positive test result on August 2.

The cyclist denied he used banned performance enhancing drugs and said he was clean. Danielson has been suspended by his Slipstream Team, pending the outcome of his B-sample.

Danielson wrote on Twitter that he received a call from USADA while he was eating dinner with his team the night before Tour of Utah. The Cannondale-Garmin rider said USADA notified him that an out-of-competition test given on July 9 tested positive for what he understands as synthetic testosterone. The 37-year-old Danielson will sit out the Tour of Utah as he awaits the results of his B sample. Tom Danielson won the last two editions of the race.

The American rider also tweeted that he will have the supplements he takes tested for possible contamination. Danielson, who served a suspension of six months from September 1, 2012 to March 1, 2013, after he admitted to blood doping while being with Discovery Channel team, faces a lifetime ban from the sport should his B sample confirm the positive test. The Connecticut-born rider was stripped of his results from March 1, 2005 to September 23, 2006 after admitted to doping and lost the Tour of Georgia and Tour of Austria overall, as well as a stage victory and sixth overall in the Vuelta a España.

Danielson testified in the Lance Armstrong-USADA case and primarily worked as a domestique in recent years for riders Ryder Hesjedal, Andrew Talansky, and Daniel Martin. The American rider rode for The Discover Team, which was a incarnation of US Postal, in 2006 and 2007. While testifying in the case Lance Armstrong case, Tom Danielson remarked he was presented with a choice that to him did not feel like a choice at all and added in the environment that he was in, it felt like something he had to do in order to continue following his dream. The cyclist also remarked at that time he crossed the line and that is something he will always be sorry for and went on to remark at that time he accepts responsibility for his choices and apologize to everyone in his life for them – in and out of the sport.

Danielson spent his childhood years in Connecticut and attended Fort Lewis College in Colorado. The American professional road racing cyclist holds the record for the fastest ascent of Mt. Washington in the Mount Washington Auto Road Bicycle Hillclimb. Danielson also holds the record for the Mt. Evans Hill Climb that traverses the highest paved road in North America. The rider raced for the American UCI ProTour team Discovery Channel and won the 2005 Tour de Georgia and the 2006 Tour of Austria.

Danielson is sponsored by Cannondale, Full Speed Ahead (FSA), Mavic, Smith Optics, Prestige Imports, Vega Sport, Icon Lasik, and Biotta for 2015 cycling events.

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