Pedzisa mutsara unotevera:
2004 IAAF World Half Marathon Championships, Adanech akapedza ari 16th nenguva ye1:13:50, panguva iyoyo munhu akanakisisa. Pashure pokuisa pfungwa dzake pamakwikwi emamita 10 000 nehafu yemarathon pakutanga kwebasa rake, akatamira kumakwikwi emarathon akazara muna 2005. Akamhanya muReims à Toutes Jambes uye akakunda muna 2005 nenguva ye2:35:55. Muna 2006, akatevera izvozvo nekupedza nzvimbo yechisere pa2006 Berlin Marathon nenguva ye2:36:48 uye nzvimbo yechitatu yekupedzisa pa2006 Rome Marathon nenguva ye2:27:38. Adanech akakunda Rock 'n' Roll Arizona Marathon kaviri; muna 2007, akahwina nenguva ye2:31:43, uye gore rakatevera akahwina nenguva ye2:31:14, achiputsa rekodhi rekodhi. Mujaho wake mukuru wekupedzisira waive 2008 Rotterdam Marathon; akapedza wechipiri nenguva yake yepamusoro ye2:27.32.