Sigrid Landgraf and the West German female field hockey team won the silver medal at the 1984 Los Angeles Olympics round-robin tournament, finishing with six points. She was both the World Champion and European Indoor Champion in 1981, and also won the bronze medal at the 1984 Europeans. Landgraf won 46 international caps (including 10 indoor) between 1980-84.
Domestically, Landgraf played with 1. Hanauer THC, winning the national title in 1981 and 1984, and the indoor title in 1983. She married non-Olympian handball player Peter-Paul Bartels.