Three skiers atop the overall standings after Stage 4 set the tension for Stage 5 in Val di Fiemme, Italy: a 15-kilometer mass start classic race. Russia’s Alexander Bolshunov skied in the yellow leader’s bib while his teammate Sergey Ustiugov stood 16 seconds back in the overall. Johannes Høsflot Klæbo, Norway’s Tour de Ski (TdS) podium hope, lurked at 26 seconds back. With a mass start format, the three contenders would play chess match skiing...