Mezue ahịrịokwu na-esonụ: Dariusz Kowaluk (amụrụ 16 Eprel 1996) bụ onye Poland na-agba ọsọ ọsọ na-ahụ maka mita 400. O ritere ọlaọcha n'asọmpi 4 × 400 mita na mba Amerịka.
2017 European U23 Championships yana ọla edo na ngwakọta 4 x 400 mita relay na 2020 Summer Olympic Games.