Alexander Petrovskiy
He shared gold medals with Evgeny Kovalev in men's madison at the 2007 UCI Track Cycling Junior World Championships in Aguascalientes , Mexico , and later represented his nation Russia at the 2008 Summer Olympics . 
<triplet> Evgeny Kovalev <subj> Russia <obj> country of citizenship <subj> 2008 Summer Olympics <obj> participant in <triplet> Aguascalientes <subj> Mexico <obj> country <triplet> Mexico <subj> Aguascalientes <obj> contains administrative territorial entity <triplet> 2008 Summer Olympics <subj> 2008 <obj> point in time