Aleksandra was trained by Larissa Drygala at Bremen 1860 and in the national training center in Bremen. In 2006 she won silver in the All-Around and gold with rope and clubs in the junior division of the German Championships.[2] In the same year she was selected for the 2006 European Championships in Moscow, taking 10th place in teams and 9th with rope.[3]
In 2007 she won bronze in the All-Around and silver with rope at the German Championships.[4] The following year she retained her national All-Around bronze medal, adding another 3rd place with rope.[5] In 2010 she was crowned national All-Around champion and won silver in all event finals.[6] In 2011 she was the national All-Around runner-up, also winning silver with hoop, ball and ribbon, as well as bronze with clubs.[7] From 2011 to 2013 she also completed a coaching internship in her childhood club.[8]
In 2013 Zapekina won a bronze with clubs at the German Championships.[9] The following year she was 4th in the All-Around at nationals and won bronze in the hoop final.[10] After her career ended she became a trainer at Bremen 1860.