Małgorzata Hołub-Kowalik
Małgorzata Hołub-Kowalik is a Polish sprinter specialising in the 400 metres. She represented her country at two outdoor and two indoor World Championships winning a silver medal in the relay at the 2016 IAAF World Indoor Championships.
Her personal bests in the event are 51.74 seconds outdoors and 52.60 seconds indoors.