Alvin Harrison was a 1996 and 2000 Olympic Gold medalist in the Men's 4x400 meter relay for the United States.
Harrison was barred from participating in the 2004 Olympics after testing positive for a banned substance. In October of 2004, Harrison agreed to a four-year suspension the U.S. Anti-Doping Agency .
He is the twin brother of fellow Olympic medalist Calvin Harrison.
