Career
Berezhna represented Ukraine at the 2004 Summer Olympics. She placed 14th in the women"s individual ranking round with a 72-arrow score of 640. In the first round of elimination, she faced 51st-ranked Fotini Vavatsi of Greece.
Berezhna defeated Vavatsi, winning 160-156 in the 18-arrow match to advance to the round of 32.
In that round, she faced Jennifer Nichols of the United States, losing to the 19th-ranked archer 163-160 in the regulation 18 arrows. Berezhna finished 18th in women"s individual archery.
At the 2008 Summer Olympics in Beijing Berezhna finished her ranking round with a total of 627 points. This gave her the 38th seed for the final competition bracket in which she faced Zhang Juanjuan in the first round.