 Burley akapedza kudzidza paYunivhesiti yePennsylvania, kwaakava katatu NCAA All-American, 2003 NCAA National Champion mumamita 800, uye 2002 Heptagonal Championships anokunda mumamita 1,500. Mushure mekupedza kudzidza, akakwikwidza mumakwikwi emamita mazana masere muna 2003 World Outdoor Championshipsuye akanga ari wechi7 paOlympic Trials muna 2004. Munguva pfupi yapfuura, akapedza wechipiri mumamita mazana masere pa2007 USA Indoor Track Field Championships yakaitirwa muBoston, Massachusetts. 