Career
His best finish at the FIS Nordic World Ski Championships was fifth in the team normal hill in 2005 FIS Nordic World Ski Championships and 23rd in the individual normal hill in 2007. Kornilov competed at two Winter Olympics, earning his best finish of eighth in the team large hill at Turin in 2006. His best individual World Cup finish was fifth in the individual large hill event in Finland in 2007.
His best individual Summer General Practice result has been third in the large hill competition in Hinterzarten in 2009.
He has numerous other medals from Russian championships up the years, both in junior categories and senior. He represented his country in two world junior championships, 2003 in Sweden and in 2004 in Stryn, Norway.