[1][2] She represented Bulgaria in four editions of the Olympic Games (2000, 2004, 2008, and 2012), and has also placed outside the top ten in both Mistral and RS:X classes.

In 2006, Konstantinova married French windsurfer, two-time world champion, and later 2008 Olympic silver medalist Julien Bontemps before she relocated to France, and trained for ASPTT Nantes.

Konstantinova made her official debut at the 2000 Summer Olympics in Sydney, where she placed twenty-fourth in women's Mistral sailboard with a net score of 193 points.

[6] At the 2008 Summer Olympics in Beijing, Konstantinova narrowly missed out on the medal race by four points, as she finished twelfth overall in the newly introduced RS:X class with a net score of 101.

[8] Delivering a mediocre effort in the opening races, Konstantinova dropped to twenty-second place overall in a fleet of twenty-six sailors with a net score of 180 points.