Career
He represented his native country at the 1999 Pan American Games in Winnipeg, Canada. In 2010, the United States. Anti-Doping Agency banned him for 2 years for use of synthetic testosterone and modafinil. In August 2011, David Clinger was issued a lifetime doping ban by the United States. Anti-Doping Agency (USADA) after testing positive during a random test while serving a prior doping ban.
Clinger accepted responsibility for using clenbuterol for performance-enhancing purposes, USADA said.
The second violation prompted USADA to issue the lifetime competition ban.