Tuhia he haere tonu mo tenei waahanga - I whakataetae a Pietrzak i te huihuinga 4 × 400 m relay
i ngā kēmu Orimipia o 2012 i Rānana. I te 2013 Indoor European Championships i Gothenburg, i ngaro tana kapa i te mētara parahi relay na te kore tohu; i whakawakia ko tetahi o ana hoa kapa i pana i te kaitakaro o Ingarangi a Richard Buck.