Dee ihe na-aga n'ihu maka paragraf a - Karel Třešňák (amụrụ February 21, 1949 na Karlovy Vary) bụ onye bụbu onye Czechoslovak slalom canoeist nke asọmpi na 1970s. O nwetara ihe nrite asaa na ICF Canoe Slalom World Championships na ọla edo abụọ (C-1 team: 1973, 1975) ọlaọcha (C-1: 1973) na ọla nchara anọ (C-1: 1977
; C-1 otu: 1971, 1977, 1979).