Hella Roth 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 European Indoor Champion in 1985 and won the bronze medal at the 1984 Europeans, and then added a silver medal at the 1986 Worlds. Roth won 83 international caps (including five indoor) between 1982-87.
Domestically, Roth played with Stuttgarter Kickers and Kölner HTC Blau-Weiss. In 1986 and 1987 she helped Köln win the German Championship, and in 1985 the Indoor title. She later managed a recruiting service at trade fairs, and worked as a project assistant with a management consulting company at Köln.