Could Russia’s Sergey Ustiugov be the first cross-country skier to perform a seven-stage sweep? He’s certainly well on his way, after collecting his fourth Tour de Ski win in a row on Wednesday in the men’s 15-kilometer freestyle pursuit in Oberstdorf, Germany. Ustiugov’s four-stage streak alone is unprecedented. Until this year, no other nordic skier in the International Ski Federation (FIS) has been able to complete such a feat during the Tour. Not even Norway’s defending overall World...
