Globally, Быстриаков (Быстриаков , Bystriakov ) is an extremely rare unknown gender forename. Much more frequently, Быстриаков is the last name as well as the forename.
Bystryakov
Антон, Роман, Михаил, and Николай
, Bystriakov 
) is an extremely rare unknown gender forename. Much more frequently, Быстриаков is the last name as well as the forename.