Petra Grabowski
At the ICF Canoe Sprint World Championships , she won six medals with a gold ( K-2 500 m: 1973 ) , three silvers ( K-1 500 m: 1973 , K-2 500 m: 1971 , K-4 500 m: 1970 ) , and two bronzes ( K-2 500 m: 1970 , K-4 500 m: 1971 ) . 
<triplet> 1973 <subj> ICF Canoe Sprint World Championships <obj> sports season of league or competition <subj> 1973 <obj> point in time <subj> 1973 <obj> point in time <triplet> 1971 <subj> ICF Canoe Sprint World Championships <obj> sports season of league or competition <triplet> 1970 <subj> ICF Canoe Sprint World Championships <obj> sports season of league or competition