Olympic gold medalist banned for the next two years for his failure to comply with out-of-competition dope testing.

Shawn Crawford won the 200 meter gold medal at the 2004 Athens Olympics as a sprinter for the U.S. The United States Anti-doping Agency (USADA) banned Crawford even though his agent said he retired last year. Crawford, 35, won a silver medal at the 2008 Olympics in the same event.

He did not compete in the 2012 Olympics because he failed to qualify for the U.S. team.

"Crawford retired after the trials last year," Crawford's representative Kimberly Holland said in an email to Reuters. "He's 35 years of age, and has moved on. Unfortunately, his announcement wasn't enough, as he had to complete retirement paper work to be removed from the testing pool."

During the 2008 Olympics that Crawford won a silver medal at, which he voluntarily gave the medal to a rival competitor who he felt, was wronged. Crawford crossed the line fourth in Beijing but was promoted to second after Churandy Martina of the Netherlands Antilles and American Wallace Spearmon were disqualified for running out of their lanes. He handed the medal to Martina after the race.

The USADA issued a statement saying Crawford had been handed a two-year suspension because he had failed to notify drug testers of his whereabouts during the last 18 months.

According to Reuters, athletes are required to provide details of their whereabouts to drug-testers for a certain period of each day so they can be located for out-of-competition tests.