Sergey Polynskiy
The following day , in the men's Keirin , Polynskiy could not ignite a late surge on the final stretch to defeat against three other cyclists Kiyofumi Nagai of Japan , Andrii Vynokurov of Ukraine , and Ricardo Lynch of Jamaica for the semifinal spot in the repechage . 
<triplet> Kiyofumi Nagai <subj> men's Keirin <obj> participant in