Career
Arzhanov was a keen basketball and football player, and took up athletics only in 1965, yet by 1968 he was selected for the Soviet national team At the 1968 Olympics, his first international competitions, he reached the semifinals, and next year finished fourth at the 1969 European Championships. At the 1972 Olympics Arzhanov led the final, but was narrowly overtaken in the last meters by Dave Wottle, who finished in the same time (1:459).
After retiring from competitions, Arzhanov worked as athletics commentator with Ukrainian national television and radio stations.
After the fall of the Soviet Union, he coached the national teams of South of Korea and Vietnam.