[1] She held three Polish senior titles in her own division, picked up a total of twenty-one medals in her career, and finished seventh in the 48-kg class at the 2004 Summer Olympics.

[2] Zemla-Krajewska also trained as a full-fledged member of the judo squad for Koka Jastrzebie Zdroj in her native Jastrzębie-Zdrój under her personal coach and sensei Robert Radlak.

[3][4] Zemla-Krajewska qualified for the Polish squad in the women's extra-lightweight class (48 kg) at the 2004 Summer Olympics in Athens, by placing second and receiving a berth from the A-Tournament in Tallinn, Estonia.

[2][5] She opened her match with an astonishing victory over Russian judoka and 2000 Olympic silver medalist Lyubov Bruletova, before falling in a smashing ippon defeat and an ushiro goshi (rear throw) from Romania's Alina Dumitru in the quarterfinals.

As she gave herself a chance for a coveted spot in the bronze medal match against Germany's Julia Matijass, Zemla-Krajewska came up short with an ippon seoi nage assault from Greece's Maria Karagiannopoulou much to the boisterous cheer of the home crowd inside Ano Liossia Hall, relegating Zemla-Krajewska to the seventh position.