Equal Distances

At the Olympics, women cross-country ski race half as far as men. But that could be changing.

Female American and Swedish cross-country skiers are pushing to race equal distances as men. But some of the sport’s star women remain unconvinced.  ZHIANGJIAKOU, CHINA — At the end of her first-ever competition at the Winter Olympics — a 15-kilometer effort that left her sprawled on the ground gasping for breath — Julia Kern contemplated the idea of racing twice as far. “I personally like the shorter distances,” said Kern, a rising American star. But,...