Mateusz Demczyszak

Mateusz Demczyszak (born 18 January 1986) is a Polish middle-distance runner.

Competition record Representing 2005 European Junior Championships Kaunas, Lithuania 5th 3000 m s'chase 8:57.24 2007 European U23 Championships Debrecen, Hungary 9th 3000 m s'chase 8:55.30 2010 European Championships Barcelona, Spain 8th 1500 m 3:44.42 2011 European Indoor Championships Paris, France 12th (h) 1500 m 3:47.67 2012 European Championships Helsinki, Finland 10th (h) 1500 m 3:43.97 2013 European Indoor Championships Gothenburg, Sweden 13th (h) 3000 m 7:59.41 World Championships Moscow, Russia 29th (h) 3000 m s'chase 8:34.60 2014 IAAF World Relays Nassau, Bahamas 6th 4 × 1500 m 15:05.70 European Championships Zürich, Switzerland 10th 3000 m s'chase 8:34.32 2015 European Indoor Championships Prague, Czech Republic 22nd (h) 3000 m 8:09.30 IAAF World Relays Nassau, Bahamas 4th Distance medley relay 9:24.07