|Representing East Germany|
|1969 Athens||100 metres|
|1969 Athens||200 metres|
|1969 Athens||4x100m relay|
|1971 Helsinki||4x100m relay|
At the 1969 European Championships she won gold medals in both the 100 m and 200 m as well as a gold medal in 4x100 metres relay together with teammates Bärbel Podeswa, Renate Meißner and Regina Höfer. For this achievement she was selected as the DDR Sportswoman of the Year.
At the 1971 European Championships she won a silver medal in relay together with teammates Karin Balzer, Renate Stecher and Ellen Stropahl. Kandarr then won a silver medal in 60 metres at the 1973 European Indoor Championships, behind Annegret Richter of West Germany.
She competed for the club SC Chemie Halle during her active career.
- Händler, Mike (2017-03-16). "Ex-Sprinterin Petra Kandarr gestorben". Mitteldeutsche Zeitung (in German). Retrieved 2017-03-19.
|East German Sportswoman of the Year