Education
Nippon Sport Science University.
相原 信行
Nippon Sport Science University.
Aihara took gymnastic at the age of 15 while studying at the Nippon Sport Science University. He was coached by his future teammate Masao Takemoto. Because of an injury he missed the Tokyo Olympics that year, and soon retired to become a gymnastics coach.
In 1979 he founded the Aihara Gymnastics Club.
Aihara died of pneumonia on July 16, 2013, at the age of 78. He was survived by son Yutaka, also an Olympic gymnast.