Karin Balzer was an East German hurdler who competed in the 80 m hurdles event at the 1960, 1964 and 1968 Olympics, and in the 100 m hurdles in 1972. She won a gold medal in 1964 and a bronze in 1972, while finishing fifth in 1968. During her career she set 37 world's best performances.

The 10th (X) European Athletics Championships were held from 10 August to 15 August 1971 in the Olympic Stadium of Helsinki, the capital of Finland. Contemporaneous reports on the event were given in the Glasgow Herald.