Kammala wannan jumla: Milne ya fara fitowa kuma ya yi gasa a matsayin wani ɓangare na tawagar 'yan wasa a gasar cin kofin duniya a shekara ta 2000.
2006 IAAF World Cross Country Championships a Fukuoka, Japan, inda ya sanya na ashirin da takwas a cikin maza na tseren kilomita takwas. A shekara ta 2008, ya kafa mafi kyawun lokacinsa da kuma daidai da Olympic A-misali na 3:36.00 ta hanyar cin nasarar mita 1500 a Harry Jerome International Track Classic a Burnaby, British Columbia, wanda ya sa ya cancanci shiga gasar Olympics ta bazara a Beijing. Makonni biyu bayan haka, Milne ya sake samun lambar yabo ta biyu kuma ya kafa sabon rikodin wasan tsere na 3:38.03 a Gasar Wasannin Wasannin Wasannin Kanada a Windsor, Ontario, don tabbatar da matsayinsa na Olympics, tare da 'yan wasa Nathan Brannen da Kevin Sullivan, waɗanda ya ɗauka a matsayin gwarzo na sirri.