 Nyorai kupfuurira kweiyi ndima - Dendy akapedza chikoro paConcord High School, apo akaisa chinyorwa chehurumende mumamita 400. Akaenderera mberi nebasa rake kuGeorge Mason University, kwaakaisa marekodhi echikoro mukati memamita mazana matatu 38.77, mazana mana emamita 52.57, mazana mashanu emamita 1:11.45 uye kunze kwemamita mazana mana 51.45. Dendy akanga ari muhafu yekupedzisira mumakwikwi emamita 200 pa 1989 World Indoor Championships, iri kumhanya mumasekonzi 23.75. 