Costantino Bertolla
Costantino Bertolla ( born 17 May 1963 ) is a former Italian male mountain runner who won 1990 World Mountain Running Championships . 
<triplet> Costantino Bertolla <subj> 17 May 1963 <obj> date of birth <triplet> 1990 World Mountain Running Championships <subj> 1990 <obj> point in time