Olga Beresnyeva is a Ukrainian

Ukraine

Ukraine is a country in Eastern Europe. It has an area of 603,628 km², making it the second largest contiguous country on the European continent, after Russia...

 a long-distance swimmer.

Career

Beresnyeva debut at the Olympic Games of 2000, at the age of 15.

After representing Ukraine at the Olympic Games of 2004 Beresnyeva migrated to Israel

Israel

The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

. After failing to qualify for the 2008 Summer Olympics

2008 Summer Olympics

The 2008 Summer Olympics, officially known as the Games of the XXIX Olympiad, was a major international multi-sport event that took place in Beijing, China, from August 8 to August 24, 2008. A total of 11,028 athletes from 204 National Olympic Committees competed in 28 sports and 302 events...

 Beresnyeva returned to Ukraine.

Originally a 800 metre freestyle swimmer she became a long-distance swimmer in 2008.

Beresnyeva won the 25-kilometer open water race at the 2010 European Aquatics Championshipsat her first ever race in that category.