Whakaotihia te rerenga e whai ake nei: Ko nga Taakaro o Awherika katoa o te tau 2007 he wikitoria taitara takirua mo Zersenay: ko ia te toa toa tuatahi o Eritrea i roto i te hitori o te whakataetae, a i wikitoria i tana mētara koura tuatahi i runga i te ara, i te wikitoria i te 10,000 mita whakamutunga me te wa rekoata o te 27:00.30. I te marama e whai ake nei ka whakataetae ia i te 2007 World Championships in Athletics, a ka tata atu ia ki te whakaoti i te paepae <unk> i arahi ia i te whakataetae 10,000 m ki te tohu 8 km, he tere tere, engari i te mutunga ka mutu i te tuawha. I a ia e whakarite ana mo nga whakataetae huarahi i tera tau, i oma ia i te 10 maero Dam tot Damloop i te marama o Hepetema ka wikitoria i te 45:51 (te tere o te ao i taua waa), ka mutu i etahi tawhiti i mua o nga kaihauturu a Bernard Kipyego me James Rotich. I whakapūmau a Zersenay i tōna tū hei tētahi o ngā kaihautū haurua marathon tino rangatira o te ao me te wikitōria tuarua i te
2007 IAAF World Road Running Championships i Udine, Itari. Ahakoa i tata ia ki te tere o te rekoata o te ao i te 15 km, i puhoi ia i muri i te roopu rangatira o Makau Musyoki, Evans Kiprop Cheruiyot me Deriba Merga. I te kiromita whakamutunga, ka pakaru ia ki te arahi me te mētara koura, me te whakatakoto i te wa rekoata a motu me te whakataetae 58:59 i roto i te tukanga. Whai muri i enei whakatutukitanga, i tirotirohia e tetahi roopu hauora tana ohanga rere, a ka kitea ko ia tetahi o nga kaiwhakataetae tino pai kua whakamatautauria.