Jean-Claude Killy

The provided news articles do not contain any information about Jean-Claude Killy. Therefore, it is impossible to provide a summary about him based on the given context. The articles discuss the career of East German skier Eberhard Riedel, focusing on how his career was cut short due to political decisions in the GDR, and the retirement of French skier Alexis Pinturault after his final race in Hafjell. Pinturault, a legend in French skiing, concluded his World Cup career with an 11th place finish in the giant slalom. He is celebrated for his accomplishments in the sport. Without any mention of Jean-Claude Killy, I cannot fulfill the request.