Risk is part of putting on the race bib. In an individual sport like cross-country skiing, athletes expose themselves to be judged by place, time back, splits, sector times, overall rankings, fastest (or slowest) times on the day. In the latest version of the Tour de Ski (TdS) overall winners were crowned on Sunday; Norwegians Ingvild Flugstad Østberg won the women’s Tour, Johannes Høsflot Klæbo won the men’s. Both were first-time winners. Within...