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| Medal record | ||
|---|---|---|
| Women's canoe slalom | ||
Representing  Switzerland
| ||
| World Championships | ||
 |
1977 Spittal | K-1 team |
Claire Costa is a former Swiss slalom canoeist who competed from the late 1970s to the early 1980s.
She won a gold medal in the K-1 team event at the 1977 ICF Canoe Slalom World Championships in Spittal.