 He competed for Germany in the 1932 Summer Olympics held in Los Angeles, United States in the 4 x 100 metres relay, where he won the silver medal with his teammates Helmut Körnig, Friedrich Hendrix and Arthur Jonath.He also returned for the 1936 Summer Olympics held in Berlin, Germany, where he was the sole returnee of the 1932 team and teamed up with Wilhelm Leichum, Erwin Gillmeister and Gerd Hornberger to win a bronze medal.Borchmeyer died at age 95 in Bielefeld.