Ejdys had a share in the women's U23 team silver medal at the 2006 European Cross Country Championships alongside Katarzyna Kowalska. She claimed her first major win over 1500 metres at the 2007 European Cup. She was the bronze medallist at the 2007 World Student Games and became the 1500 m military champion at the 2007 Military World Games in October. She represented Poland at the 2008 Beijing Olympics, but did not make it past the first round of the 1500 m.