Whakaotihia te rerenga e whai ake nei: I uru atu a Ara ki te kapa whakapakari taumaha a Armenia i te whakataetae tuatahi i te taumaha 77 kg. I te 2006 World Weightlifting Championships i Santo Domingo, i eke a Khachatryan ki te 357 kg me te wikitoria i te mētara parahi. I riro i a Khachatryan he mētara hiriwa i te
Ko te 2007 European Weightlifting Championships i Strasbourg me te 361 kg katoa, kei muri noa iho i te hoa whenua a Gevorg Davtyan. I whakahoutia e ia te mētara hiriwa i te tau i muri mai i te 2008 European Weightlifting Championships i Itari, i eke ki te 1 kg anake i muri i te toa koura. I taua tau ano, i haere ia ki nga Taakaro Orimipia o te Raumati 2008 i Beijing, i te wa e whitu ana ia. I neke atu ki te 85 kg i te tau 2010, i whakaarahia e Khachatryan te 368 kg i te 2010 European Weightlifting Championships hei wikitoria i tana mētara hiriwa tuatoru a Europi. I muri mai i taua tau i whakataetae a Khachatryan i te 2010 World Weightlifting Championships, i reira, i muri i te wikitoria i te mētara koura i te hopu, i whara kino ia i te ringa, a, i akina ia ki te wehe atu i te whakataetae. I whakataetae a Khachatryan i nga Taakaro Orimipia o te Raumati 2012, engari kaore i taea te whakarite katoa.