Pedzisa mutsara unotevera: Korotkevich akakwikwidza kaviri paMitambo yeOlympic yeZhizha, kamwe chete nokuda kweChikwata Chakabatanidzwa muna 1992 uye gare gare nokuda kweRussia muna 2000. Kuita kwake kwakanakisisa kwakanga kuri nzvimbo yechina muna 1992. Akaita makwikwi mana eWorld Championships muAthletics uye akawana nzvimbo yechina muna 1999. Akanga ari mukwikwidzi wenguva mbiri muRussia Athletics Championships (1993 uye 1997). Akakunda menduru mbiri dzenyika dzese pabasa rake: bronze pa1985 European Athletics Junior Championships negoridhe pa
Mukombe weEurope wa1993. Akanga ari nhamba imwe munyika mumwaka wemitambo muna 1993 aine chiratidzo che.