Background
Semenov was born in Moldavian Soviet Socialist Republic. He does his trainings in Odessa.
Semenov was born in Moldavian Soviet Socialist Republic. He does his trainings in Odessa.
He finished fourth at the 2001 World Youth Championships.
He competed at the 2008 Olympic Games, and with a throw of 20.01 metres he was only 1 centimetre short of a place in the final, among the top twelve. Semenov also competed at the 2012 Olympic Games.