OBERSTDORF, Germany — Sergey Ustiugov made if 4 for 4 by winning the
Ustiugov, a 24-year-old Russian, is the first cross-country skier to win four stages in a row on the tour. He again left former tour winner Martin Johnsrud Sundby in second, finishing in 37 minutes 58.5 seconds to beat the Norwegian by 37.2