Nyora kupfuurira kweiyi ndima - Pietrzak akakwikwidza mumakwikwi e4 × 400 m relay
pamitambo yeOlympic yeZhizha ya2012 muLondon. Pa2013 Indoor European Championships muGothenburg, timu yake yakarasikirwa nemenduru yebronze relay nekuda kwekuregererwa; zvakatongwa kuti mumwe wevamwe vaaitamba navo akange asundidzira mutambi weBritish Richard Buck.