The following year she improved one place on the global stage, taking a silver medal at the 2002 World Junior Championships.

[1] Klocová reached her first senior final at the 2010 European Athletics Championships where she finished fourth in the women's 800 m. She was later awarded the bronze medal, after the disqualification of Mariya Savinova.

She broke Andrea Sollarova's seventeen-year-old national record over 1500 metres at the Athletics Bridge meet in Dubnica later that year.

Her time of 4:08.86 was enough for second place behind Olympic finalist Anna Mishchenko, who set a meet record.

[4] She was coached by Pavel Slouka and her club is AK ZTS Martin, where she returned after 8 years spent in Slávia UK Bratislava.