Dee ihe na-aga n'ihu maka paragraf a - Douma-Hussar mere mba ụwa mbụ ya maka Canada n'afọ na-eso ya na 2001 IAAF World Cross Country Championships, na-etinye 69th na ọsọ dị mkpirikpi. O meziwanye nke a na agbụrụ dị mkpirikpi nke 2002 site na njedebe nke 53. N'afọ 2002, o mere ka ihe kachasị mma n'ime ụlọ ya dị na 4:38.02 nkeji iji merie na Gator Invitational wee setịpụ ihe kachasị mma n'èzí nke 4:37.55 nkeji na Falmouth. O setịpụkwara oge kachasị mma nke 1500 m nke 4: 14.60 nkeji na Georgia Tech Invitational. Ọ bụ onye nke iri atọ na asaa n'asọmpi World Cross Country nke afọ 2003
O mekwara ka ihe ọ na-eme na-aka mma. Ọ bụ onye nke atọ na kilomita na New Balance Games na Boston Indoor Games, na-etinye oge kachasị mma nke 4:35.94 nkeji. O meriri na 1500 m na Harry Jerome Classic na ihe ndekọ ọhụrụ nke 4:08.09 nkeji ma merie aha mba na ihe omume ahụ otu ọnwa mgbe e mesịrị.