Grażyna Prokopek-Janáček (born 20 April 1977 in Zalewo) is a retired Polish sprinter who specialized in the 400 metres. She is married to a Czech former pole vaulter, Štěpán Janáček. International competitions 1Representing Europe Personal bests Outdoor 100 metres – 11.67 (Bydgoszcz 1999) 200 metres – 23.22 (Bydgoszcz 2004) 400 metres – 51.29 (Athens 2004) 800 metres – 2:08.31 (Suwałki 1999) Indoor 60 metres – 7.57 (Prague 2006) 200 metres – 23.94 (Spała 2004) 400 metres – 52.00 (Birmingham 2007) See also Polish records in athletics References External links 1977 births Living people Polish female sprinters Athletes (track and field) at the 2004 Summer Olympics Athletes (track and field) at the 2008 Summer Olympics Olympic athletes of Poland People from Zalewo European Athletics Championships medalists Sportspeople from Warmian-Masurian Voivodeship Universiade medalists in athletics (track and field) Skra Warszawa athletes Universiade silver medalists for Poland Medalists at the 2005 Summer Universiade People from Ostróda Olympic female sprinters