In 2008, she finished 23rd in the individual and 7th in the three-member team relay events at the 2008 World Championships in Budapest, but became the European Champion at a tournament held in Moscow.

[4] This led to her participation in the 2008 Summer Olympics, where she was awarded a bronze medal in the women's event, finishing behind Lena Schöneborn of Germany and Heather Fell of Great Britain.

[6] After missing the 2009 season to have a child, Tereshchuk returned in 2010 and finished second in that year's mixed relay event at the World Championships in Chengdu, China, in addition to placing 16th in the individual competition.

[4] As World Champion, she qualified for the 2012 Summer Olympics, was named Ukrainian Sportswoman of the Year,[7] and was awarded the Order of Princess Olga in the Second Class.

[3] At the 2012 World Championships in Rome, Italy, however, she failed to qualify for the finals and was eliminated before she was able to defend her individual title, also placing 5th in the mixed relay.