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 championIlke 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 personalbest 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. In the Olympic discus final her best mark came in the third round in the form of a throw. This moved her up to third, but she was then beaten out of the medals by Australia's Daniela Costian. 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. She finally reached a podium at the 1992 IAAF Grand Prix Final – a throw of beat her compatriot Irina Yatchenko to leave her runner-up behind Wyludda. 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. After several years away from the top level, she returned in 1997 and won the Brothers Znamensky Memorial with a throw of. Her second Russian national title following shortly after. 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 in lesser form the following season, having a best of, but she still managed second place at the Russian Championships, as women's throws performances declined in an era of increasing drug testing scrutiny. In 1999 she had the best throw of her later career with a mark of in Krasnodar, ranking her fifth in the world that year. 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.
