Rubuta ci gaba don wannan sakin layi - A 1961 FIL World Luge Championships a Girenbad, Switzerland, Senn ya lashe lambobin tagulla a cikin maza masu zaman kansu da kuma maza biyu. Ya lashe lambar azurfa a wasan maza biyu a gasar zakarun Turai ta 1967
a Königssee, Jamus ta Yamma.