Achievements
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Twarowski is a multiple Polish junior champion from the age of 13 and a member of the Polish junior national team in swimming. In 2013 he won gold medals on Polish junior championships for 100 m butterfly and 200 m butterfly. Twarowski won a bronze medal with a mixed relay 4x100 m medley (Agata Naskret, Marcin Stolarski, Jerzy Twarowski, Wioletta Orczykowska. 3:5430) during 2013 European Junior Swimming Championships in Poznan. Twarowski also won two bronze medals during 2011 European Youth Summer Olympic Festival in Trabzon, Turkey (200 m butterfly. 2:0273 and in relay 4×100m medley.
