Walther competed at two Winter Olympics, placing 11th in 1964 with Brigitte Wokoeck and fourth with Steiner in 1968.

Heinz-Ulrich Walther teamed up with Brigitte Wokoeck around 1959 and represented the club SC Dynamo Berlin.

Representing the United Team of Germany, they placed 11th at the 1964 Winter Olympics in Innsbruck.

They were selected to represent East Germany at the 1968 Winter Olympics in Grenoble and placed fourth.

He was an academic employee in the orthopaedics department at the Center for Complementary Medicine Research – CCM.