In the 800 metres, she finished fifth at the 2003 World Youth Championships. In the 1500 metres, she won the silver medal at the 2004 World Junior Championships, finished eighth at the 2005 European Indoor Championships and eleventh at the 2008 Olympic Games. At the 2009 European Indoor Championships she won the gold medal in the 1500 m. She reached the semi-finals of the event at the 2009 World Championships in Athletics in August and was seventh at the 2009 IAAF World Athletics Final.