Gerardo Bönnhoff

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Gerardo Bönnhoff Koch (born Gerhard Bönnhoff Koch; 24 June 1926 – 26 December 2013) was a German-born Argentine athlete who competed mainly in sprinting.

Born in Berlin, his family moved to Argentina when Bönnhoff was 10 years old. In 1947, at the age of 21, he became an Argentine citizen and legally changed his name from Gerhard to Gerardo. (h) 200 m 22.8 1959 South American Championships (unofficial) São Paulo, Brazil

4 × 100 m relay 44.1

8th (sf) 200 m 21.7 5th 4 × 100 m relay 42.3 5th 4 × 400 m relay 3:18.5

Personal bests 100 metres – 10.3 (Buenos Aire 1945) 200 metres – 21.3 (Buenos Aires 1947), 21.59 (+1.0 m/s, Helsinki 1952)