[1] He is a two-time Olympian (2000 and 2004), and a top 16 finalist in the 200 m freestyle at the 2002 Asian Games in Busan, South Korea.

Vasiliev supposedly swam a third leg in the first heat, but his team was disqualified due to an early relay takeoff by Pukhnatiy.

[3][4] At the 2004 Summer Olympics in Athens, Vasiliev qualified as an individual swimmer for the men's 200 m freestyle.

He cleared a FINA B-standard entry time of 1:54.94 from the World Championships in Barcelona, Spain.

[5][6] He challenged seven other swimmers in heat two, including dual citizen Mihail Alexandrov of Bulgaria.