Career
She competes in the 400 m hurdles and the 400 m event. At present, Stambolova is the highest paid female athlete in Bulgaria. During the London 2012 Olympics, Stambolova tripped while competing in the 400m hurdles event and failed to finish.
At the 2014 European Championships, she finished in 6th place in the 800 m, setting a personal best in the final.
Stambolova tested positive for testosterone in January 2007, and was subsequently suspended for two years by the IAAF.
Outdoor:
200 metres: 22.81 (Sofia 2006)
400 metres: 49.53 (Rieti 2006)
400 metres hurdles: 53.68 (Rabat 2011)
Indoor:
200 metres: 23.51 (Sofia 2006)
400 metres: 50.21 (Moscow 2006)
800 metres: 2:02.03 (Vienna 2012).