Mezue ahịrịokwu na-esonụ: O nwetara ihe nrite ọla edo na 2007 European Cup ma jigide aha ya na 2007 European Athletics U23 Championships na oge kachasị mma nke 9:39.40. O mere ngosipụta mbụ ya maka Poland na 2007 World Championships na Athletics mgbe e mesịrị n'afọ ahụ, na-ewepụ ya na ọkwa ọkụ. N'ọnwa Disemba, o ritere ọla nchara n'otu n'otu nakwa n'otu n'asọmpi ndị na-erubeghị afọ iri abụọ na atọ n'asọmpi mbaụwa nke afọ 2010.
2007 European Cross Country Championships. Ọ nọchitere anya Poland na 2008 Beijing Olympics, mana ọzọ enweghị ọganihu karịa okpomọkụ nke steeplechase. N'ịbụ onye dekọtara oge kachasị mma nke 9:26.93 na ọkụ ọkụ, Kowalska ruru ikpeazụ ikpeazụ ya nke mbụ na 2009 World Championships na Athletics wee kwụsị n'ọnọdụ nke iri na abụọ. A họpụtara ya ka ọ gbaa ọsọ na 2009 IAAF World Athletics Final ma ọ gwụchara na nke asatọ.