<prompt> Qedela umusho olandelayo: UConstantin uphinde wathola izindondo eziyisishiyagalombili e-ICF Canoe Sprint World Championships ngesiliva K-2 500 m: 1977 nezingqwele eziyisikhombisa K-2 500 m:  <response>: 1978, 1979, 1981; K-4 500 m: 1974, 1978, 1979, 1983. 