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He won the gold medal in the men's doubles event at the 1961 FIL World Luge Championships in Girenbad, Switzerland.
She won the silver medal in the women's singles at the 1961 FIL World Luge Championships in Girenbad, Switzerland.
He won the silver medal in the men's doubles event at the 1961 FIL World Luge Championships in Girenbad, Switzerland.
At the 1961 FIL World Luge Championships in Girenbad, Switzerland, Senn won bronze medals in the men's singles and men's doubles event.
He won with Karl Prinoth the gold medal in the men's doubles event at the 1961 FIL World Luge Championships in Girenbad, Switzerland.