Career
She competed in the 2004 and 2008 Summer Olympic Games, reaching the second heat of the 800 metres on both occasions. She went to study at Louisiana State University and, representing the Louisiana State University Lady Tigers track and field team, she took the 800 m National Collegiate Athletic Association indoor title in 2002. The following year she took part in the 2004 IAAF World Indoor Championships and also reached the semi-finals of the women"s 800 m at the 2004 Athens Olympics.
She attended the 2005 World Championships in Athletics but failed to progress beyond the heats.
She reached the semi-finals of her event at the 2007 World Championships a few months later. Burnett set an indoor national record of 2:02.27 for the 800 m at the 2008 IAAF World Indoor Championships, although this was not enough to reach the final.
She made her second Olympic appearance at the 2008 Beijing Games, being eliminated in the heats, and reached the semi-finals at the 2009 World Championships in Athletics. All information taken from IAAF profile.