Overall World Cup title holder Alexander Bolshunov led Russia to a podium sweep after the Norwegian athletes failed to start the cross-country 15-kilometre pursuit in Ruka, Finland, on Sunday. Bolshunov posted a best time of 35 minutes 23.7 seconds to deny team-mate Sergey Ustiugov the win by half a second, while Artem Maltseve was 2 tenths further back in third. Russia also secured fourth place with Ivan Yakimushkin. The Norwegian team, led by superstar Johannes Hoesflot Klaebo, and Saturday’s winner Iivo Niskanen of Finland were among 17 skiers who didn’t start. Norwegian media reported they…