Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Monique Hennagan (born May 26, 1976 in Columbia, South Carolina) is an American athlete who mainly competes in the 400 metres. She won her first relay medal at the 1999 World Indoor Championships and her second in 2003. At the Athens Olympics in 2004, Hennagan was part of the US team which finished first in the 4×400 meters relay. They were however disqualified in 2010 after Crystal Cox, who ran for the team in a preliminary round, admitted to using doping.