Ulrich Klaes was among the West German field hockey team winning the gold medal at their home Olympics 1972 in München. The team won the final 1-0 against Pakistan. Therefore the team members were awarded the Silver Bay Leaf, Germany’s highest sports award.
He won nine international caps from 1971-72. Domestically, he played for Rot-Weiß Köln and helped them win the West German Championship in 1972-74, and the national indoor title in 1974. Klaes started his own company in Mannheim in 1983, dealing with combustibles.