Rubuta ci gaba don wannan sakin layi - Roland Wyss tsohon dan wasan tseren canoe na Switzerland ne wanda ya yi gasa a cikin shekarun 1970. Ya lashe lambobin yabo guda biyu a gasar C-2 a gasar zakarun duniya ta ICF Canoe Slalom tare da azurfa a shekarar 1977
da kuma tagulla a shekarar 1979.