Born in
Orsha,
Belarus SSR, Korotkevich won her first international medal representing the Soviet Union at the
1985 European Athletics Junior Championships, where she placed third in the discus – an event won by future Olympic champion
Ilke Wyludda. Her senior debut for her nation came two years later at the
1987 World Championships in Athletics, at which the 20-year-old placed tenth. Korotkevich did not progress much further until the
Dissolution of the Soviet Union. A personal best of in May 1992 earned her a place on the
Unified Team at the 1992 Summer Olympics. She entered the competition as the highest ranked athlete that season (world leader
Xiao Yanling did not attend). Straight after the Olympics she showed her form at the
Herculis meeting in
Monaco by winning in a meet record of – a mark still standing as of 2014. Korotkevich was chosen for the
1992 IAAF World Cup held one month later, but was again out of the medals in fourth place, this time edged out by Chinese
Min Chunfeng. Opting for Russian citizenship, Korotkevich had a highly successful opening season for her new country. She won the
Russian Athletics Championships with a performance, then held off namesake
Larisa Mikhalchenko of Ukraine to lift the title at the
1993 European Cup. A throw of proved to be the best by any woman in the world that year. Korotkevich failed to carry through this form at the
1993 World Championships in Athletics as, despite entered as the world-leading athlete, she failed to progress to the final round. Her national rival
Olga Chernyavskaya was the eventual world champion. At the
1997 World Championships in Athletics she was again fourth place at a major global event, some two metres off the bronze medallist and fellow Russian
Natalya Sadova. She was runner-up at the Znamensky Memorial and the Russian Championships, but on her fourth career outing at the
1999 World Championships in Athletics she did not make the final. Korotkevich's final season in international athletics came in 2000. Her best that year – – was during a third straight runner-up finish at the Russian Championships. Her second and final Olympic appearance followed at the
2000 Sydney Games. She was eliminated in the qualifying round and retired thereafter. ==International competition record==