Korczynska represented Poland at the 2008 Summer Olympics in Beijing. She competed at the 100 metres sprint and placed third in her first round heat after Oludamola Osayomi and Debbie Ferguson in a time of 11.22 seconds. She qualified for the second round in which she failed to qualify for the semi-finals as her time of 11.41 was the fifth time of her race.[1] Together with Ewelina Klocek, Dorota Jędrusińska and Marta Jeschke she also took part in the 4x100 metres relay. In their first round heat they placed fifth behind Belgium, Great Britain, Brazil and Nigeria. Their time of 43.47 seconds was the second best non-directly qualifying time and the seventh time overall out of sixteen participating nations. With this result they qualified for the final in which they replaced Jeschke with Joanna Henryka Kocielnik. In the final they were eventually disqualified.[1]