<prompt> Pedzisa mutsara unotevera: Olbricht akawanawo menduru nhanhatu paICF Canoe Sprint World Championships negoridhe mana K-2 500 m: 1977,  <response>: 1978; K-4 1000 m: 1978, 1979 uye sirivha mbiri K-2 500 m: 1979, K-2 1000 m: 1977. 