At the 2004 Summer Olympics in Athens, Pinzón finished in thirty-fifth place in the men's 200-meter backstroke.

Pinzón competed at the 2008 Summer Olympics in Beijing in the 100 and 200-meter backstroke, the 200 and 400-meter individual medley, and the 200-meter butterfly.

[2] In his four-year Gator swimming career, Pinzón received twelve All-American honors.

[3] Pinzón tested positive for cocaine in November 2012 and was subsequently banned from competing for two years.

[4] In 2014, however, after an appeal to the Court of Arbitration for Sport, the suspension was overturned due to several inconsistencies in the testing process.