2021–22 Tour de Ski - Wikipedia
https://en.wikipedia.org/wiki/2021–22_Tour_de_SkiThe 2021–22 Tour de Ski was the 16th edition of the Tour de Ski and part of the 2021–22 FIS Cross-Country World Cup. The World Cup stage event began in Lenzerheide, Switzerland on 28 December 2021 and concluded with the Final Climb stage in Val di Fiemme, Italy, on 4 January 2022. The tour was the fourth edition starting in Lenzerheide. Alexander Bolshunov from Russia and Jessie Diggins from United States were the title defenders.