 Gariani akawana menduru yebronze mumutambo wokumhanya-mhanya paMitambo yeMediterranean ya1971 muİzmir, Turkey, shure kwevaItaly Ezio Cardi naMarin Massimo. Akanga ari pachirongwa chekutanga chekukwikwidza mu1972 Summer Olympics mumakwikwi evarume ekumhanya uye 1 km nguva yekukwikwidza, asi haana kutanga. Akakwikwidza mumutambo weamateur sprint pa1981 UCI Track Cycling World ChampionshipsmuBrno, Czechoslovakia. Akabayiwa pfuti mumutambo wokutanga. Pashure pokutangazve akarasikirwa naRainier Valkenburg wokuNetherlands. 