Tuhia he tomokanga mō tēnei wāhanga - I te tau 2009, i whakatau te IPC ki te whakahoki mai i ngā kaitākaro hauā ā-hinengaro hei whakarite mō te 2012 Summer Paralympics i Rānana. Ko te hokinga mai o Niewiedział ki nga hakinakina nui o te ao i tae mai i te wa i tohua ai ia mo te roopu Polani i te 2011 IPC Athletics World Championships
i Christchurch. I reira i whakataetae ia i te whakataetae 1,500 mita, i te tuarua ki a Meloch. I whai ake a Niewidzial me te mētara koura i te 1,500 mita i te 2012 IPC Athletics European Championships i Stadskanaal i mua i tana wikitoria i tana koura Paralympic tuarua i taua huihuinga i Ranana.