Nyorera kupfuurira kweiyi ndima - Martin Wyss aimbova muSwitzerland slalom canoeist uyo akakwikwidza muma1970. Akakunda menduru mbiri mumutambo weC-2 wechikwata paICF Canoe Slalom World Championships nesirivha muna 1977
uye menduru yebronze muna 1979.