Osvaldo Ronc (born 16 November 1947''albo aggiornato al 1° febbrao 2 ''
) is an Italian ski mountaineer. Together with Renzo Meynet and Mirko Stangalino, he placed first in the civilian team category in the 1975

Trofeo Mezzalama The Mezzalama Trophy ( it, Trofeo Mezzalama, french: Trophée Mezzalama, a.k.a. ''white marathon''

edition, which was carried out as the first World Championship of Skimountaineering.''Albo d'oro''
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References