Under her maiden name, she won the gold medal at the 1976 Summer Olympics in the 100 m hurdles. Under her married name, she won the silver medal 1980 Summer Olympics in Moscow, again in the 100 m hurdles.
In 1976–78, and 1980 she was East German champion, also winning indoors in 1978 in the 60 hurdles. At the 1977 World Cup Schaller was runner-up, but she won gold at the 1978 European Championships in the high hurdles, adding a bronze with the sprint relay. She also won the 1977 European Cup and the 1978 European Indoors over 60 hurdles.
She married the hurdler Martin Klier on 11 September 1976. Schaller-Klier was educated as a sports teacher and worked at the Pedagogical University of Erfurt / Mulhousen. After German reunification she moved to Landessportbund, Thuringia and worked in the youth department.
|1976||Olympic Games||Montreal, Canada||1st||100 m hurdles||12.77|
|1977||World Cup||Düsseldorf, West Germany||2nd||100 m hurdles||12.86|
|1978||European Indoor Championships||Milan, Italy||1st||60 m hurdles||7.94 CR|
|European Championships||Prague, Czechoslovakia||1st||100 m hurdles||12.62 CR|
|3rd||4 × 100 m relay||43.07|
|1980||Olympic Games||Moscow, Soviet Union||2nd||100 m hurdles||12.63|
- Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill. "Johanna Schaller-Klier". Olympics at Sports-Reference.com. Sports Reference LLC. Retrieved 27 October 2018.
- Kluge, Volker (2004). Das große Lexikon der DDR-Sportler: Die 1000 erfolgreichsten und populärsten Sportlerinnen und Sportler aus der DDR, ihre Erfolge, Medaillen und Biographien [The big lexicon of the GDR athletes: The 1000 most successful and popular athletes from the GDR, their successes, medals and biographies.] (in German) (2 ed.). Berlin: Schwarzkopf & Schwarzkopf Verlag. pp. 287f. ISBN 3-89602-538-4.